Crowd watching a group of people doing some sort of dance and musical performance on a stage.
Nobody is watching the performers.
If the crowd is watching the performance, then it cannot be true that no one is watching the performers.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & of(x2,x3) & Theme(e1,x5) & Actor(e1,x4) & v_do(e1) & subset_of(x8,x5) & on(x8,x9) & n_stage(x9) & n_performance(x8) & a_musical(s1) & Theme(s1,x8) & subset_of(x6,x5) & of(x6,x7) & n_dance(x7) & n_sort(x6) & (x3 = x4) & n_people(x3) & n_group(x2) & n_crowd(x1))
exists x2.(n_performer(x2) & -exists e1 x1.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_person(x1)))