A man on a motorcycle is silhouetted by the sunset.
A man rides away at sunset.
Not all man on a motorcycle silhouetted by the sunset rides away.
exists e1 x1 x2 x3.(n_sunset(x3) & Actor(e1,x3) & Theme(e1,x1) & v_silhouette(e1) & on(x1,x2) & n_motorcycle(x2) & n_man(x1))
exists e1 s1 x1 x2.(a_away(s1) & Manner(e1,s1) & at(e1,x2) & n_sunset(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1))