Two professional boxers are punching in a fight.
The boxers are laughing and sitting.
You can't be punching and laughing or sitting at the same time.
exists e1 s1 x1 x2.(in(e1,x2) & n_fight(x2) & Actor(e1,x1) & v_punch(e1) & n_boxer(x1) & a_professional(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 e2 x1.(n_boxer(x1) & Actor(e2,x1) & v_sit(e2) & Actor(e1,x1) & v_laugh(e1))