text: When a character in this poem refuses to fight a man who once had the form of the woman Amba, he is attacked with such force that he falls down onto a bed of arrows.
full_question: When a character in this poem refuses to fight a man who once had the form of the woman Amba, he is attacked with such force that he falls down onto a bed of arrows. In this poem, a woman's robes miraculously grow longer to prevent her shameful disrobing during a game of dice that ends with five brothers being sent into twelve years of exile. This poem, which is narrated by Vyasa, culminates in the Kurukshetra War, fought between the rival Pandava and Kaurava brothers. That war begins after a dialogue that takes place largely between Arjuna and Krishna. For 10 points, name this Hindu epic that contains the Bhagavad Gita. 
first_sentence: When a character in this poem refuses to fight a man who once had the form of the woman Amba, he is attacked with such force that he falls down onto a bed of arrows.
raw_answer: Mahabharata