I always choose the best answer: ''His shirt which must have been white once was sticking to his skin because of the wind and rain.'' How?

Question

do I correct it?

Answer 1

''His shirt, which must have been white at some point, was sticking to his skin because of the effects of wind and rain.''

Answer 2

Wear a raincoat, or use an umbrella.

Answer 3

WHAT was the question?