Available choices:
(a). No.
(b). Yes.
Given those answer options, answer the question: I am verifying the answers generated by an automatic system to the following question: what is metformin used for Suggested answer: It is the first-line drug of choice for the treatment of type 2 diabetes , in particular, in overweight and obese people and those with normal kidney function. Should I validate this answer?
A:
(b).