A band of cellos and violins playing in front of a crowd at The Market Gallery.
Teenagers at a heavy metal concert.
There is either a classical performance featuring cellos and violins or a heavy metal concert.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_gallery(x8) & of(x8,x9) & n_market(x9) & a_topic(x1) & of(x1,x2) & subset_of(x4,x2) & at(e1,x8) & in(e1,x6) & of(x6,x7) & n_crowd(x7) & n_front(x6) & Actor(e1,x5) & v_play(e1) & (x4 = x5) & n_violin(x4) & subset_of(x3,x2) & n_cello(x3) & n_band(x1))
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_concert(x2) & of(x2,x3) & n_metal(x3) & a_heavy(s1) & Theme(s1,x2) & n_teenager(x1))