Two men are sitting working on their computers.
Two men are preparing a meat loaf.
The men cannot be sitting working on their computers while they are preparing a meat loaf
exists e2 e1 x1 x2.(for(e1,e2) & on(e2,x2) & n_computer(x2) & of(x2,x1) & n_thing(x1) & Actor(e2,x1) & v_work(e2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & n_loaf(x2) & of(x2,x3) & n_meat(x3) & n_man(x1) & card_eq_2(x1))