Detailed Instructions: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.
Q: Question: What significant role has Drona's father played in society? Passage:Drupada, son of King Prishata, and Drona study together under the tutelage of Rishi Bhardwaja, Drona's father. They become great friends and Drupada assures Drona that once he becomes king, he will share half of his kingdom with Drona. While Drupada becomes a king after the death of his father, Drona lives a life of poverty. Drona approaches Drupada for help; Drupada, now conscious of the difference of status between them, refuses to acknowledge Drona's friendship and shuns Drona, calling him a beggar. Drona is later employed by Bhishma to train the Kuru princes. After the military education of the Kauravas and the Pandavas ends, as his gurudakshina, Drona asks the princes to defeat and capture Drupada. Firstly, all the Kauravas, along with Karna, attack Drupada, but Drupada defeats all of them. Then the Pandavas led by Arjuna defeat Drupada, binding him in ropes and bringing him to Drona. Drona sets Drupada free, but retains half of the kingdom that had been promised to him. Humiliated, Drupada seeks vengeance but he realizes that he cannot match Drona's might. So, Drupada performed the Putrakameshti yajna to beget a son who could slay Drona. From the fire of the yajna, twins Dhrishtadyumna and Draupadi are born. Years later, Draupadi married Arjuna and later in the Mahabharata war, Dhrishtadyumna beheaded Drona.

A:
Drupada, son of King Prishata, and Drona study together under the tutelage of Rishi Bhardwaja, Drona's father