A pianist and a singer are ready to perform.
The people are asleep in their beds.
one cannot be ready to perform while asleep
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 s1 x1 x2.(n_bed(x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & in(s1,x2) & Theme(s1,x1) & a_asleep(s1))