Lambs on a grassy hill.
The lambs get ready to take an elevator.
grassy hill vs ready to take an elevator
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_hill(x2) & a_grassy(s1) & Theme(s1,x2) & n_lamb(x1))
exists e1 p1 x1.(n_lamb(x1) & exists p2 s1.(Topic(s1,p2) & Actor(s1,x1) & a_ready(s1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_take(e2) & n_elevator(x2))) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1))