A child is sliding down a hill on a sled.
A child wearing a red coat rides a sled.
These could have been two different children. The child with the coat could have been with the other child.
exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_slide(e1) & on(x2,x3) & n_sled(x3) & n_hill(x2) & n_child(x1))
exists e2 e1 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_ride(e2) & n_sled(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_coat(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_child(x1))