A professional orchestra is playing in a dimly lit room.
The people are indoors.
A professional orchestra is made up of people, and a lit room is indoors.
exists e1 s1 s2 x1 x2.(in(e1,x2) & n_room(x2) & a_lit(s2) & Theme(s2,x2) & r_dimly(x2) & Actor(e1,x1) & v_play(e1) & n_orchestra(x1) & a_professional(s1) & Theme(s1,x1))
exists p1 x1.(n_people(x1) & exists x2.((x1 = x2) & n_indoor(x2)))