A boy and a girl are petting a cow through a fence.
A boy and girl ride a cow.
You cannot ride a cow and pet it through a fence at the same time.
exists e1 x1 x2 x3 x4 x5.(through(e1,x5) & n_fence(x5) & Theme(e1,x4) & Actor(e1,x1) & v_pet(e1) & n_cow(x4) & subset_of(x3,x1) & n_girl(x3) & subset_of(x2,x1) & n_boy(x2))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_cow(x4) & n_girl(x3) & n_boy(x2) & subset_of(x3,x1) & subset_of(x2,x1))