A boy in a blue hat sit on a dock, looking at water.
A boy looks over a ledge.
Looking at water is different to looks over a ledge.
exists e2 e1 s1 x1 x2 x3 x4.(for(e1,e2) & at(e2,x4) & n_water(x4) & Actor(e2,x1) & v_look(e2) & on(e1,x3) & n_dock(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_hat(x2) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 x1 x2.(over(e1,x2) & n_ledge(x2) & Actor(e1,x1) & v_look(e1) & n_boy(x1))