A band playing in front of a sculpture for people at a concert.
The band is playing a concert.
“A band playing in front of a sculpture” is more information than “the band is playing”.
exists x1 x2 x3 x4 x5 x6.(a_topic(x1) & at(x1,x6) & n_concert(x6) & for(x1,x5) & n_people(x5) & in(x1,x3) & of(x3,x4) & n_sculpture(x4) & n_front(x3) & n_playing(x1) & of(x1,x2) & n_band(x2))
exists e1 x1 x2.(n_band(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_concert(x2))