public List <string> GetTranslatableContent()
{
List <string> tContent = new List <string>();
tContent.AddRange(resultLeft.GetTranslatableContent());
tContent.AddRange(resultRight.GetTranslatableContent());
tContent.AddRange(resultUp.GetTranslatableContent());
tContent.AddRange(resultDown.GetTranslatableContent());
tContent.AddRange(additional_choice_0.GetTranslatableContent());
tContent.AddRange(additional_choice_1.GetTranslatableContent());
return(tContent);
}