A child is sitting on some rocks outside.
The child is waiting for her friends to join her.
Just because a child is sitting on rocks outside does not mean that they are waiting on anyone.
exists e1 s1 x1 x2.(a_outside(s1) & Manner(e1,s1) & on(e1,x2) & n_rock(x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1))
exists e1 p1 x1 x2.(n_female(x2) & n_friend(x2) & of(x2,x1) & n_female(x1) & n_child(x1) & Topic(e1,p1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_join(e2)) & for(e1,x2) & Actor(e1,x1) & v_wait(e1))