A group of young women and men sit together and some are eating.
Nobody is sitting.
a group sits not nobody
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(Theme(s3,x5) & a_eating(s3) & n_thing(x5) & a_together(s2) & Manner(e1,s2) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_man(x4) & n_woman(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_young(s1) & Theme(s1,x2) & n_group(x1))
-exists e1 x1.(Actor(e1,x1) & v_sit(e1) & n_person(x1))