Task: Text Categorization
Input (English): This figure's brother was born after lightning struck a broken egg, and his own birth resulted in the Gods cowering and asking him to shrink. Sometimes considered the descendent of Cyena and Cyene, during the Mahabarata, Dronacharya uses a battle formation named for this figure. This ruler of the Suparnas had a sister named Sumati, and this figure's children include Sampati and a friend of Rama who attempted to stop Ravana's kidnapping of Sita, Jatayu. Indra stole a container of amrita during his quest to free his mother Vinata from Kadru. FTP, name this king of the birds and eternal enemy of the snakelike Nagas, the mount of Vishnu.
Output (English): Social Science