A man in a harness lands in the water.
A man is underwater watching fish swim around the coral reef.
A man who has just landed in the water is not already underwater.
exists x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & in(x1,x2) & in(x2,x4) & n_land(x2) & of(x2,x3) & n_harness(x3) & n_man(x1))
exists e1 p1 s1 x1 x4.(n_reef(x4) & a_coral(s1) & Theme(s1,x4) & exists e2 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & around(x2,x4) & n_swim(x2) & of(x2,x3) & n_fish(x3)) & Topic(e1,p1) & Actor(e1,x1) & v_underwater(e1) & n_man(x1))