A young boy in a swimming suit sits in water.
A boy is learning to swim.
A young boy in a swimming suit sits in water is not necessarily learning to swim.
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_water(x4) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_suit(x2) & of(x2,x3) & n_swimming(x3) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_learn(e1) & exists e2.(Actor(e2,x1) & v_swim(e2)) & n_boy(x1))