Task: Text Categorization
Input (English): In the Argonautica, Hera promises that this man and Medea will unite in the Elysian Fields, while some stories claim that after his death, his mother brought his remains to the island of Leuke. He was once wounded in a fight near the river Scamander against Asteropaeus. In one story, his whereabouts were revealed by Thestor, who sensed that he was on Scyros, disguised as a girl named Pyrrha in the court of Lycomedes. He fell in love with the Trojan princess Polyxena, while Helenus revealed the importance of this character's son with Deidamia, Neoptolemus. The death of his friend Patroclus inspires him to return to the Trojan War, where he eventually kills Hector in single combat. For 10 points, name this Greek hero, invincible except for his heel.
Output (English): Social Science