Error: Bummer! Your code took too long to run.

package com.teamtreehouse;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Main {

    public static void main(String[] args) {

        Prompter prompter = new Prompter();
        BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Please enter the story template:  ");
        String story = null;
        try {
            story = buffer.readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
        Template tmpl = new Template(story);

        prompter.run(tmpl);
    }
}

package com.teamtreehouse;

import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;


public class Prompter {
    private BufferedReader mReader;
    private Set<String> mCensoredWords;

    public Prompter() {
        mReader = new BufferedReader(new InputStreamReader(System.in));
        loadCensoredWords();
    }

    private void loadCensoredWords() {
        mCensoredWords = new HashSet<String>();
        Path file = Paths.get("resources", "censored_words.txt");
        List<String> words = null;
        try {
            words = Files.readAllLines(file);
        } catch (IOException e) {
            System.out.println("Couldn't load censored words");
            e.printStackTrace();
        }
        mCensoredWords.addAll(words);
    }

    public void run(Template tmpl) {
        List<String> resultsString = tmpl.getPlaceHolders();
        List<String> result = null;
        try {
            result = promptForWords(tmpl);
        } catch (IOException e) {
            System.out.println("There was a problem prompting for words");
            e.printStackTrace();
            System.exit(0);
        }
        String results = tmpl.render(result);
        System.out.printf("Your TreeStory:%n%n%s", results);
    }

    /**
     * Prompts user for each of the blanks
     *
     * @param tmpl The compiled template
     * @return
     * @throws IOException
     */
    public String promptForWord(String phrase) {
      BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in));
      String word = null;
      while(word == null || mCensoredWords.contains(word)) {
        System.out.println("Please enter a word:  ");
        try {
            word = buffer.readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
      }
     return word;
  }


    /**
     * Prompts the user for the answer to the fill in the blank.  Value is guaranteed to be not in the censored words list.
     *
     * @param phrase The word that the user should be prompted.  eg: adjective, proper noun, name
     * @return What the user responded
     */
    public String promptForWord(String phrase) {

        BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Please enter a word:  ");
        String word = null;
        while(mCensoredWords.contains(word) || word == null) {
            try {
                word = buffer.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            if(mCensoredWords.contains(word)){
                System.out.println("Oops! That word is censored. Please enter another word");
            }
        }
            return word;
        }
    }

// How can you make this more specific?
System.out.println("Please enter a word:  ");

public String promptForWord(String phrase) throws IOException {
        System.out.printf("Enter a %s: ", phrase);
        String word = mReader.readLine().toLowerCase(); //take out .toLowerCase()
        while (mCensoredWords.contains(word)) {
            System.out.printf("That word is not allowed. Please enter another %s: ", phrase);
            String newWord = mReader.readLine().toLowerCase(); //take out .toLowerCase()
            word = newWord;
        }
        return word;
    }