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: Gina has longer fingernails than John. Who has more cells on their nails? 
 Answer: Gina

Ex Output:
As the nail grows, more cells are added at the nail bed.


Ex Input:
Question: Reid analyzes particle speed. The heaviest particle he sees likely diffuses _____ than the lightest particle. 
 Answer: slower

Ex Output:
The mass of the particles: lighter particles will diffuse faster, because on average they move faster.


Ex Input:
Question: Mike wants to get the most hydrogen ions that he can out of his acid, so he will get an acid that is 
 Answer: stronger

Ex Output:

A stronger acid produces more hydrogen ions than a weaker acid.