Several couples sit on hotel ballroom style conference chairs and watch something outside the frame of the picture.
Couples sit and watch their daughters in the debutante ball.
Several couples sitting in a ball room watching something does not imply they are watching their daughters performing in debutante ball
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(n_picture(x10) & n_frame(x9) & on(e1,x2) & outside(x6,x9) & rel(x2,x6) & of(x9,x10) & n_something(x8) & a_watch(s2) & Theme(s2,x8) & n_chair(x7) & subset_of(x8,x6) & subset_of(x7,x6) & n_conference(x2) & of(x2,x5) & n_style(x5) & of(x2,x4) & n_ballroom(x4) & of(x2,x3) & n_hotel(x3) & Actor(e1,x1) & v_sit(e1) & n_couple(x1) & a_several(s1) & Theme(s1,x1))
exists e1 e2 x1 x2 x3 x4 x5.(n_ball(x4) & of(x4,x5) & n_debutante(x5) & Theme(e2,x3) & Actor(e2,x2) & v_watch(e2) & in(x3,x4) & n_daughter(x3) & of(x3,x1) & n_thing(x1) & n_couple(x2) & Actor(e1,x1) & v_sit(e1) & n_couple(x1))