A crowd of people in casual dress cheer at the camera from behind a barrier.
the crowd of people are at a concert
Just because people are cheering doesn't mean they are at a concert.
exists s1 x1 x2 x3 x4 x5 x6 x7.(n_camera(x5) & a_topic(x1) & behind(x6,x7) & n_barrier(x7) & from(x1,x6) & n_thing(x6) & at(x1,x5) & in(x1,x3) & n_cheer(x3) & of(x3,x4) & n_dress(x4) & a_casual(s1) & Theme(s1,x3) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists p1 x1 x2.(n_crowd(x1) & exists x3.(at(x1,x3) & n_concert(x3)) & of(x1,x2) & n_people(x2))