In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

[EX Q]: what does mpv stand for in a cbc test
[EX A]: Mean platelet volume

[EX Q]: during diagenesis the sediments may undergo ___ changes
[EX A]: physical

[EX Q]: what are the three main factors of production
[EX A]:
labour