A man and a child in the water, swimming.
the kids are wet
One child in the water is swimming, and other kids that may be swimming are wet.
exists s1 x1 x2 x3 x4.(n_water(x3) & a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & rel(x3,x4) & n_swimming(x4) & n_child(x2) & subset_of(x1,s1) & n_man(x1))
exists s1 x1.(n_kid(x1) & Theme(s1,x1) & a_wet(s1))