A kid sitting on a soccer ball at the park.
Kid playing basketball at park
A soccer ball and basketball are different. Sitting and playing are two different actions.
exists e1 x1 x2 x3 x4 x5.(n_park(x5) & a_topic(x1) & at(e1,x5) & on(e1,x3) & n_ball(x3) & of(x3,x4) & n_soccer(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_kid(x1))
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_park(x3) & n_basketball(x1) & of(x1,x2) & n_playing(x2) & a_kid(s1) & Theme(s1,x1))