A group of men in a darkened room, playing musical instruments.
A group of men make music in a room.
In order for the men to make music, they must be playing their instruments.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_instrument(x5) & a_musical(s2) & Theme(s2,x5) & (x1 = x4) & of(x1,x2) & in(x2,x3) & n_room(x3) & a_darkened(s1) & Theme(s1,x3) & n_man(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_room(x4) & Theme(e1,x3) & Actor(e1,x1) & v_make(e1) & n_music(x3) & of(x1,x2) & n_man(x2) & n_group(x1))