A group of people playing guitars in white.
A dancer is performing for the crowd.
A single dancer cannot simultaneously be a group of people
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & in(e1,s1) & Theme(s1,x3) & a_white(s1) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_guitar(x4) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_crowd(x2) & for(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_dancer(x1))