A boy sitting in water.
A boy looks at a pool of water.
Sitting is is not looks at.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_water(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2 x3.(at(e1,x2) & of(x2,x3) & n_water(x3) & n_pool(x2) & Actor(e1,x1) & v_look(e1) & n_boy(x1))