A man sitting in a boat is floating near a cave.
The man sitting in a boat is floating towards the cave.
The boat is floating near a cave but may not be floating towards the cave.
exists e1 e2 x1 x2 x3 x4.(near(e2,x4) & n_cave(x4) & Actor(e2,x1) & v_float(e2) & in(e1,x3) & n_boat(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 e2 x1 x2 x3 x4.(n_cave(x4) & n_man(x1) & towards(e2,x4) & Actor(e2,x1) & v_float(e2) & in(e1,x3) & n_boat(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2))