class MultiLangCorpora {

  private String language;
  private String text = "";
  private List<InjectedSentence> injectedSentences = new ArrayList<>();

  private int sentencesInText;

  public MultiLangCorpora(String language) {
    this.language = language;
  }

  public String getLanguage() {
    return language;
  }

  public String getText() {
    return text.trim();
  }

  public List<InjectedSentence> getInjectedSentences() {
    return injectedSentences;
  }

  public void injectOtherSentence(String injectLanguage, String sentence) {<FILL_FUNCTION_BODY>}

  public void addSentence(String sentence) {
    //System.out.println("Add mainLangText: " + sentence);
    this.text += " " + sentence;
    this.sentencesInText++;
  }

  public int getSentencesInText() {
    return sentencesInText;
  }
}

    //System.out.println("Add otherLangText: " + sentence);
    this.text += " " + sentence;
    this.injectedSentences.add(new InjectedSentence(injectLanguage, sentence));
    this.sentencesInText++;
  
<no_super_class>