A pianist and a singer are ready to perform.
They are going to perform.
You would only get ready if you were going to do something.
exists p1 s1 x1 x2 x3.(Topic(s1,p1) & Actor(s1,x1) & a_ready(s1) & exists e1.(Actor(e1,x1) & v_perform(e1)) & subset_of(x3,x1) & n_singer(x3) & subset_of(x2,x1) & n_pianist(x2))
exists e1 p1 x1.(n_thing(x1) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1) & exists e2.(Actor(e2,x1) & v_perform(e2)))