A young couple prepare a salad together in their kitchen.
The man and woman are sky diving.
If a couple is making a salad, they could not be skydiving at the same time.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_prepare(e1) & in(x2,x3) & n_kitchen(x3) & of(x3,x1) & n_thing(x1) & r_together(x2) & n_salad(x2) & n_couple(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1 x2 x3.(n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & exists x4 x5.((x1 = x4) & n_diving(x4) & of(x4,x5) & n_sky(x5)))