A woman tickling a man on the floor while five other people are laughing.
The people are singing a song.
The people can't laugh and be singing at the same time.
exists e1 p1 x1 x2 x3 x4 x6.(n_people(x6) & n_floor(x4) & a_topic(x1) & exists e2 x5.(Actor(e2,x5) & v_laugh(e2) & -(x5 = x6) & n_people(x5) & card_eq_5(x5)) & while(e1,p1) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_tickle(e1) & n_man(x3) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_sing(e1) & n_song(x2))