I finished the challenge but it still says i haven't

package com.teamtreehouse;

import java.io.IOException;
import java.util.List;

public class Main {

    public static void main(String[] args) {
        Prompter prompter = new Prompter();
        Template tmpl = new Template(prompter.promptForStory());
        List<String> validWords = prompter.run(tmpl);
        String results = tmpl.render(validWords);
        System.out.printf("Your TreeStory:%n%n%s", results);

    }
}

package com.teamtreehouse;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;


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 List<String> run(Template tmpl) {
        List<String> results = null;
        try {
            results = promptForWords(tmpl);
        } catch (IOException e) {
            System.out.println("There was a problem prompting for words");
            e.printStackTrace();
            System.exit(0);
        }
        return results;
    }

    public List<String> promptForWords(Template tmpl) throws IOException {
        List<String> words = new ArrayList<String>();
        for (String phrase : tmpl.getPlaceHolders()) {
            String word = promptForWord(phrase);
            words.add(word);
        }
        return words;
    }

    public String promptForWord(String phrase) throws IOException{
        boolean isCensoredWord;
        String word;
        do {
            System.out.printf("Enter %s : ", phrase);
            word = mReader.readLine();
            isCensoredWord = mCensoredWords.contains(word);
            if(isCensoredWord) {
                System.out.printf("%s is not allowed. Please try again. \n", word);
            }
        } while(isCensoredWord);
        return word;
    }

    public String promptForStory() {
        String story = "";
        try {
            System.out.print("Enter a story template :  ");
            story = mReader.readLine();
        } catch (IOException ioe) {
            System.out.println("Error with your input..");
            ioe.printStackTrace();
        }
        return story;
    }
}