big foot......................
Basically its what the main verb is, so it would be turns because it turns cool and dry.
Cause or become is what the suffix -fy means.
The effectiveness of this piece of art demonstrates the worth of ordinary life by portraying a normal day of a girl sitting in a blue armchair, lying down with her dog in a second airmchair to her left. This painting shapes the naturality of the children which is the signature of the painter and a demosntration of fine art with something common in a child's life