Task: Question Answering
Input (English): Question: Rick had a rock (Rock A) from 1000 feet beneath the crust's surface. He later dug 3000 feet deeper and got a second rock (Rock B). Which rock is likely younger? 
 Option1: Rock A 
 Option2: Rock B 
 Explanation: Older rocks are at the bottom and younger rocks are at the top.
Output (English): Rock A