A group of people are either standing or sitting, some are wearing hats and scarves, while some are not.
Several people are wearing baseball caps and silk scarves.
All hats are not baseball caps. All scarves are not silk.
(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 e2 e3 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 s1 x1 x2 x3 x4 x5 x6.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & subset_of(x5,x2) & n_scarf(x5) & of(x5,x6) & n_silk(x6) & subset_of(x3,x2) & n_cap(x3) & of(x3,x4) & n_baseball(x4) & n_people(x1) & a_several(s1) & Theme(s1,x1))