Several couples sit on hotel ballroom style conference chairs and watch something outside the frame of the picture.
The couples sit in their chairs as they watch somebody give a speech.
couples sitting in ballroom watching something does not imply they are watching someone giving a speech
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 p1 x1 x2 x3 x4.(n_thing(x1) & n_thing(x1) & n_chair(x3) & of(x3,x1) & n_couple(x1) & Theme(e2,x4) & Actor(e2,x1) & v_give(e2) & n_speech(x4) & exists e3 x5.(Theme(e3,x5) & Actor(e3,x1) & v_watch(e3) & n_person(x5)) & as(e1,p1) & in(e1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2))