A group of people are standing around near a street.
a street gang having a meeting
Not all groups of people are in a gang.
exists e1 s1 x1 x2 x3.(near(e1,x3) & n_street(x3) & a_around(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_have(e1) & n_meeting(x4) & (x1 = x3) & n_gang(x1) & of(x1,x2) & n_street(x2))