A man is performing a water sport.
A water polo player swims through a pool.
A man is performing swims through a pool.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_sport(x2) & of(x2,x3) & n_water(x3) & n_man(x1))
exists e1 x1 x2 x3 x4.(through(e1,x4) & n_pool(x4) & Actor(e1,x1) & v_swim(e1) & n_player(x1) & of(x1,x3) & n_polo(x3) & of(x1,x2) & n_water(x2))