a group of band members doing a routine
People playing instruments
They are playing instruments because they are band members.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_do(e1) & n_routine(x5) & (x2 = x4) & n_member(x2) & of(x2,x3) & n_band(x3) & n_group(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_instrument(x3) & (x1 = x2) & n_people(x1))