These two people are performing as part of a rock band.
They rock out the crowd.
No way to know that there is a crowd.
exists e1 x1 x2 x3 x4.(n_people(x1) & card_eq_2(x1) & as(e1,x2) & of(x2,x3) & n_band(x3) & of(x3,x4) & n_rock(x4) & n_part(x2) & Actor(e1,x1) & v_perform(e1))
exists e1 s1 x1 x2.(n_crowd(x2) & n_thing(x1) & a_out(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_rock(e1))