If you noticed an infant wanted a ball but couldn't reach it and you were interested in developing a sign for ball, you should:

Question

A. Form a ball like hand sign, say ball and give it to him.
B. Wait until he made a sign before giving the ball

Answer 1

What do you think?

Answer 2

I'd go with A

Answer 3

Yes, A is the answer.

Answer 4

I think it would be A.