a group of band members doing a routine
The band is a rock band
Just because there is a band playing music it does not mean it���s a rock band.
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 p1 x1.(n_band(x1) & exists x2 x3.((x1 = x2) & n_band(x2) & of(x2,x3) & n_rock(x3)))