Hozzászólások - The Captain

At whose order did Heracles preform his famed labors?

King Oedipus
Hera, wife of Zeus
King Eurytheus
Atlas

The question is valued as "Bad, incorrect question"!
Spelling mistakes in question or answers.

I think it is because I put Heracles, the proper Greek name and not Hercules, the later adapted Roman name for the same character. Is that right or is it something more obvious?