Two young girls in dresses are running and laughing.
Two men are building a tower.
The people cannot be young girls and men at the same time
exists e2 e1 s1 s2 x1 x2 x3 x4.(Actor(e2,x3) & v_laugh(e2) & in(x3,x4) & n_dress(x4) & n_girl(x3) & a_young(s2) & Theme(s2,x3) & card_eq_2(x3) & Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_dress(x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_tower(x2) & n_man(x1) & card_eq_2(x1))