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: Sandra sees a huge glacier, and notes that it has smaller tributary glaciers flowing into it, in valleys that are
Answer: shallow

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

Ex Input:
Question: Will analyzes the photon energy in an electromagnetic wave with a high frequency. Bill analyzes the photon energy in an electromagnetic wave with a low frequency. _____'s wave has less photon energy.
Answer: Bill

Ex Output:
In electromagnetic waves with higher frequencies, photons have more energy.

Ex Input:
Question: If James is taking pictures with his camera and he decides to leave his shutter open less, what happens to the amount of light the lens lets in?
Answer: decreases

Ex Output:
A camera shutter stays open longer in dim light to let more light in.