Many people standing around listening to music.
People are listening to music.
All can be inferred, such as people and listening to music.
exists e1 e2 x1 x2 x3.(a_topic(x1) & around(e1,e2) & to(e2,x3) & n_music(x3) & Actor(e2,x2) & v_listen(e2) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1) & n_quantity(x1))
exists e1 x1 x2.(to(e1,x2) & n_music(x2) & Actor(e1,x1) & v_listen(e1) & n_people(x1))