A group of performers clap on stage.
the group is singing a song
Clapping does not mean there is also singing.
exists e1 x1 x2 x3.(on(e1,x3) & n_stage(x3) & Actor(e1,x1) & v_clap(e1) & of(x1,x2) & n_performer(x2) & n_group(x1))
exists e1 x1 x2.(n_group(x1) & Theme(e1,x2) & Actor(e1,x1) & v_sing(e1) & n_song(x2))