You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Q: Question: If you tried to push a sack of unpopped popcorn or a sack of popped popcorn, both of the same volume, would it be easier to push the 
 Option1: sack of unpopped popcorn 
 Option2: sack of popped popcorn? 
 Explanation: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.

A: sack of popped popcorn?
****
Q: 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.

A: Rock A
****
Q: Question: When we use weak technology to measure something it becomes 
 Option1: more accurate 
 Option2: less accurate 
 Explanation: But the more computing power that goes into the model and the care with which the scientists construct the model can increase the chances that a model will be accurate.

A:
less accurate
****