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: Greta yells across the canyon in the cool morning and again in the hot afternoon. The sound likely traveled _____ in the morning. 
 Answer: faster

Ex Output:
For a given medium, sound has a slower speed at lower temperatures.


Ex Input:
Question: Andrew was showing Tim his underpowered phone, one day. The boys decided they wanted to go to a bookstore but needed directions, they both looked up directions on their phone, whose phone found directions faster? 
 Answer: Tim

Ex Output:
Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.


Ex Input:
Question: Eric sends out an electromagnetic wave. Reid is 10 feet away and Will is 40 feet away. Who would have the weaker reading of the wave? 
 Answer: Will

Ex Output:

However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.