A boy playing in a grassy field.
A boy looking for four leaf clovers in a field.
Someone playing in a field is not necessarily looking for four leaf clovers.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_field(x3) & a_grassy(s1) & Theme(s1,x3) & n_playing(x1) & of(x1,x2) & n_boy(x2))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,x3) & in(x3,x5) & n_field(x5) & n_clover(x3) & of(x3,x4) & n_leaf(x4) & card_eq_4(x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_boy(x1))