A boy and a girl are petting a cow through a fence.
A boy and girl pet a cow.
If the boy and the girl are petting a cow then they pet a cow.
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))
all x1.(n_cow(x1) -> exists x2 x3 x4.(a_topic(x2) & for(x2,x1) & n_pet(x2) & of(x2,x4) & n_girl(x4) & of(x2,x3) & n_boy(x3)))