A man and a child in the water, swimming.
the father is watching his kids play
It cannot be inferred that the man is the child's father or the they are playing in the water.
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 e1 e2 x1 x2 x3.(n_kid(x2) & of(x2,x1) & n_male(x1) & n_father(x1) & Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Actor(e1,x3) & v_play(e1) & (x2 = x3))