A group of young ballerinas are in a dance studio.
A group of ballerinas are in a dance studio waiting on the instructor.
Ballerinas do not have to be young.
exists p1 s1 x1 x2.(exists x3 x4.(in(x1,x3) & n_studio(x3) & of(x3,x4) & n_dance(x4)) & of(x1,x2) & n_ballerina(x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
exists p1 x1 x2 x6.(n_instructor(x6) & exists e1 x3 x4 x5.(in(x1,x3) & on(e1,x6) & Actor(e1,x5) & v_wait(e1) & (x3 = x5) & n_studio(x3) & of(x3,x4) & n_dance(x4)) & of(x1,x2) & n_ballerina(x2) & n_group(x1))