A dog jumps and catches a Frisbee in the grass.
A cat chases a frisbee across a parking lot
The dog can't catch the frisbee in the grass if the cat is chasing it across a parking lot.
exists s1 x1 x2 x5.(n_grass(x5) & a_topic(s1) & all x3.(n_frisbee(x3) -> exists x4.(subset_of(x4,s1) & in(x4,x5) & for(x4,x3) & n_catch(x4))) & subset_of(x1,s1) & n_jump(x1) & of(x1,x2) & n_dog(x2))
exists e1 x1 x2 x3 x4.(across(e1,x3) & n_lot(x3) & of(x3,x4) & n_parking(x4) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_frisbee(x2) & n_cat(x1))