Which detail from “The Myth of Hercules” is a part of Hercules’s backstory?

Hercules strangles the snakes that Hera puts in his crib.
Hercules feels shame for not defending his home in battle.
The god Apollo says that Hercules must perform twelve labors.
King Eurystheus orders Hercules to clean the Augean stables.

Hercules strangles the snakes that Hera puts in his crib.