A young boy jumping
Two young boys are sitting in a park.
A boy cannot be jumping and sitting simultaneously.
exists e1 s1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(in(e1,x2) & n_park(x2) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))