A band plays at a concert while the audience raises their hands over their head.
People are enjoying a concert at the park.
The fact an audience at a concert raises their hands does not necessarily mean they are enjoying the concert and not all concerts are at the park.
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 x2 x3.(n_park(x3) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & at(x2,x3) & n_concert(x2) & n_people(x1))