In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Ex Input:
Question: Gerald laid down many rock layers. The layers on the bottom level were likely laid 
 Answer: first

Ex Output:
Lower rock layers were laid down earlier, so they are assumed to contain older fossils.


Ex Input:
Question: Dave is taking water samples from various parts of Lake Erie. He takes the first sample very far from the shore line. The second sample he takes from the edge of the lake. He expects that the _____ sample will have more nutrients in it/ 
 Answer: second

Ex Output:
Most nutrients are washed into ocean water from land. Therefore, water closer to shore tends to have more nutrients.


Ex Input:
Question: Mike weighs 90 pounds and Tom weighs 200 pounds. Who likely experiences less friction on the Earth? 
 Answer: Mike

Ex Output:

Heavier objects press together with greater force, and this causes greater friction between them.