A scuba diver stands on top of rocks after emerging from the water.
A scuba diver never knows to dive.
The scuba diver can't be emerging from the water if he hasn't dived.
exists e1 e2 x1 x2 x3 x4 x5.(n_water(x5) & after(e1,e2) & from(e2,x5) & Actor(e2,x1) & v_emerge(e2) & on(e1,x3) & of(x3,x4) & n_rock(x4) & n_top(x3) & Actor(e1,x1) & v_stand(e1) & n_diver(x1) & of(x1,x2) & n_scuba(x2))
exists e1 s1 x1 x2 x3.(a_never(s1) & Manner(e1,s1) & to(e1,x3) & n_dive(x3) & Actor(e1,x1) & v_know(e1) & n_diver(x1) & of(x1,x2) & n_scuba(x2))