A band plays at a concert while the audience raises their hands over their head.
The people are rioting.
An audience that raises their hands over their heads at a concert is a common way to express excitement; rioting involves the destruction or looting of property and often involves violence.
exists e1 p1 x1 x2 x3 x4 x5.(n_head(x5) & of(x5,x3) & n_thing(x3) & n_thing(x3) & n_hand(x4) & of(x4,x3) & n_audience(x3) & exists e2.(over(e2,x5) & Theme(e2,x4) & Actor(e2,x3) & v_raise(e2)) & while(e1,p1) & at(e1,x2) & n_concert(x2) & Actor(e1,x1) & v_play(e1) & n_band(x1))
exists e1 x1.(n_people(x1) & Actor(e1,x1) & v_riot(e1))