A few people with a girl standing up in the center wearing a green dress
A girl in a dress is not alone.
If a few people are with someone then that person is not alone.
exists e1 e2 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_center(x4) & a_topic(x1) & with(x1,x2) & in(e1,x4) & Theme(e2,x6) & Actor(e2,x5) & v_wear(e2) & n_dress(x6) & a_green(s3) & Theme(s3,x6) & (x4 = x5) & a_up(s2) & Manner(e1,s2) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_girl(x2) & n_people(x1) & a_few(s1) & Theme(s1,x1))
exists x1 x2.(-exists s1.(Theme(s1,x1) & a_alone(s1)) & in(x1,x2) & n_dress(x2) & n_girl(x1))