A child in goggles and swim hat is swimming the backstroke in a pool.
A child in goggles is diving into the pool.
A child cannot be swimming and be a child diving at the same time.
exists e1 x1 x2 x3 x4 x5 x6 x7.(n_backstroke(x6) & in(e1,x7) & n_pool(x7) & Theme(e1,x6) & Actor(e1,x1) & v_swim(e1) & in(x1,x2) & n_hat(x4) & of(x4,x5) & n_swim(x5) & n_goggles(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_child(x1))
exists e1 x1 x2 x3.(n_pool(x3) & into(e1,x3) & Actor(e1,x1) & v_dive(e1) & in(x1,x2) & n_goggles(x2) & n_child(x1))