Four men wearing plaid sit on chairs.
Four women throws chairs at eachother
men and women are different gender, they cannot sit on the chair if they throw them.
exists e1 e2 x1 x2 x3 x4.(on(e2,x4) & n_chair(x4) & Actor(e2,x1) & v_sit(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_plaid(x3) & (x1 = x2) & n_man(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(at(e1,x3) & n_eachother(x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_chair(x2) & n_woman(x1) & card_eq_4(x1))