The two men are playing Frisbee in a field.
A tractor is driving down the highway.
It can't be two men playing and a tractor driving - it would be one or the other. Either it's a tractor or men. And they are either playing or driving.
exists e1 x1 x2 x3.(n_man(x1) & card_eq_2(x1) & in(e1,x3) & n_field(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_frisbee(x2))
exists e1 s1 x1 x2.(n_highway(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_tractor(x1))