A surfer being towed by a boat has hit a wave.
A person is being is connected to a moving vessel on the water.
A person is a surfer, and is being towed by a boat
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_hit(e2) & n_wave(x4) & Actor(e1,x3) & n_boat(x3) & Theme(e1,x2) & v_tow(e1) & (x1 = x2) & n_surfer(x1))
exists e1 e3 e2 x1 x2 x3 x4.(n_water(x4) & to(e2,x3) & on(x3,x4) & n_vessel(x3) & Actor(e3,x3) & v_move(e3) & Theme(e2,x1) & v_connect(e2) & Actor(e1,x2) & v_be(e1) & (x1 = x2) & n_person(x1))