A group of people are either standing or sitting, some are wearing hats and scarves, while some are not.
No one is standing.
If no one is standing, then it is impossible that people are standing.
(exists e1 s1 x1 x2.(a_either(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1)) | exists e3 e2 p1 x3 x4 x5 x6 x7.(while(e3,e2) & exists x8.(-exists e4.(Actor(e4,x8) & v_be(e4)) & n_thing(x8)) & while(e3,p1) & Theme(e3,x5) & Actor(e3,x4) & v_wear(e3) & subset_of(x7,x5) & n_scarf(x7) & subset_of(x6,x5) & n_hat(x6) & n_thing(x4) & Actor(e2,x3) & v_sit(e2) & n_thing(x3)))
-exists e1 x1.(Actor(e1,x1) & v_stand(e1) & n_one(x1))