A guy sitting in a tube in the water.
The man is about to get out of the water
Someone who is sitting in the water may stay there for a long time and not be about to get out of it.
exists e1 x1 x2 x3 x4.(n_water(x4) & a_topic(x1) & in(e1,x4) & in(e1,x3) & n_tube(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_guy(x1))
exists p1 s1 x1 x2.(n_water(x2) & n_man(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(r_out(e1) & of(e1,x2) & Actor(e1,x1) & v_get(e1)))