Several people dressed with angle wings and orange vest waiting for the subway.
A group of people gathering together.
Just because there are several people in the same spot does not make them a group that is gathering.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_subway(x7) & a_topic(x1) & for(e1,e2) & for(e2,x7) & Actor(e2,x2) & v_wait(e2) & with(e1,x3) & subset_of(x5,x3) & n_vest(x5) & of(x5,x6) & n_orange(x6) & subset_of(x4,x3) & n_wing(x4) & a_angle(s2) & Theme(s2,x4) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & a_together(s1) & Manner(e1,s1) & Actor(e1,x3) & v_gather(e1) & (x2 = x3) & n_people(x2) & n_group(x1))