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.

Input: Consider Input: Question: Alan saw Venus through his old telescope. He then looked through his bigger, better telescope. Venus likely appears darker through the 
 Answer: smaller telescope

Output: Larger telescopes can collect more light.


Input: Consider Input: Question: If Jimbo is surfing and the waves begin to crest higher, what happens to amplitude of those waves? 
 Answer: increases

Output: The higher the crests of a wave are, the greater the amplitude.


Input: Consider Input: Question: Reid notices that tributary glaciers make U-shaped valleys when flowing. A small valley was likely caused by a _____ tributary glacier. 
 Answer: small


Output: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.