A man rides a bicycle on a rocky path beside a lake in the mountains.
cat chasing bird
it cannot be both a man riding a bicycle & a cat chasing another animal.
exists e1 s1 x1 x2 x3 x4 x5.(n_mountain(x5) & in(e1,x5) & beside(e1,x4) & n_lake(x4) & on(e1,x3) & n_path(x3) & a_rocky(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2) & n_man(x1))
exists x1 x2 x3.(n_bird(x1) & of(x1,x3) & n_chasing(x3) & of(x1,x2) & n_cat(x2) & a_topic(x1))