The woman is skating in the park.
The woman is running on a trail.
A woman cannot be skating in a park while also running on a trail.
exists e1 x1 x2.(n_park(x2) & n_woman(x1) & in(e1,x2) & Actor(e1,x1) & v_skate(e1))
exists e1 x1 x2.(n_woman(x1) & on(e1,x2) & n_trail(x2) & Actor(e1,x1) & v_run(e1))