Spectators watch a classical music concert.
The music at the concert is pleasant
Just because it is classical music does not mean it is pleasant.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_concert(x2) & of(x2,x3) & n_music(x3) & a_classical(s1) & Theme(s1,x2) & n_spectator(x1))
exists s1 x1 x2.(n_concert(x2) & n_music(x1) & Theme(s1,x1) & a_pleasant(s1) & at(x1,x2))