A group of girls is sitting in the dance studio.
Several girls are in a room.
The girls are in a room because they are in a dance studio.
exists e1 x1 x2 x3 x4.(n_studio(x3) & of(x3,x4) & n_dance(x4) & in(e1,x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_girl(x2) & n_group(x1))
exists p1 s1 x1.(exists x2.(in(x1,x2) & n_room(x2)) & n_girl(x1) & a_several(s1) & Theme(s1,x1))