code: public FrutillaParser.Given given(String text) {
          mRoot = FrutillaParser.given(text);
          return (FrutillaParser.Given) mRoot;
      }
docs: Starts writing sentences. This is the entry point of the use case. <br/>
  To add more sentences to the entry point use <br/>
  {@link org.frutilla.FrutillaParser.Given#and(String)} <br/>
  {@link org.frutilla.FrutillaParser.Given#but(String)}
  @param text the sentence.
  @return a {@link org.frutilla.FrutillaParser.Given} to continue writing sentences.