A dark-haired man instructs three children, who all are seated before music stands, in a room with five windows in the background.
People are sitting indoors.
man and children are examples of people. sitting and seated are synonymous. the fact that there are five windows in the background implies that they are indoors.
exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x8) & Theme(e2,x2) & Actor(e2,x1) & v_instruct(e2) & a_all(s2) & Manner(e1,s2) & in(e1,x6) & with(x6,x7) & in(x7,x8) & n_window(x7) & card_eq_5(x7) & n_room(x6) & before(e1,x4) & n_stand(x4) & of(x4,x5) & n_music(x5) & Theme(e1,x3) & v_seat(e1) & (x2 = x3) & n_child(x2) & card_eq_3(x2) & n_man(x1) & a_dark-haired(s1) & Theme(s1,x1))
exists e1 x1 x2.(Time(e1,x2) & n_indoor(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))