One boy laughs at another wearing an elf hat in the locker room.
The boy in the baseball cap sits in the dugout.
One cannot be in the dugout and locker room at the same time.
exists e2 e1 s1 x1 x2 x3 x4 x5.(n_room(x4) & of(x4,x5) & n_locker(x5) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_wear(e2) & in(x3,x4) & n_hat(x3) & a_elf(s1) & Theme(s1,x3) & at(e1,x2) & n_thing(x2) & Actor(e1,x1) & v_laugh(e1) & n_boy(x1) & card_eq_1(x1))
exists e1 x1 x2 x3 x4.(n_dugout(x4) & n_cap(x2) & of(x2,x3) & n_baseball(x3) & n_boy(x1) & in(e1,x4) & Actor(e1,x1) & v_sit(e1) & in(x1,x2))