A large group of people in a room, smiling and laughing.
The people are watching a movie.
A large group of people in a room smiling and laughing are not necessarily watching a movie.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(Actor(e2,x4) & v_laugh(e2) & of(x4,x5) & in(x5,x6) & n_room(x6) & n_people(x5) & n_group(x4) & a_large(s2) & Theme(s2,x4) & Actor(e1,x1) & v_smile(e1) & of(x1,x2) & in(x2,x3) & n_room(x3) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_movie(x2))