public Sentence parse(final ConversationContext ctx){
  if (context.equals(ctx)) {
    return this;
  }
 else {
    return ConversationParser.parse(originalText,ctx);
  }
}

public Sentence parse ( final ConversationContext ctx ) { if ( context . equals ( ctx ) ) { return this ; } else { return ConversationParser . parse ( originalText , ctx ) ; } }
parse the sentence again , using the given conversation context .
