A group of people socializing outside.
There are a group people talking to each other.
socializing implies talking, and both sentences specify a group.
exists e1 p1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & exists s1.(Theme(s1,x3) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x3) & v_socialize(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & all x5.(n_other(x5) -> to(e1,x5)) & Actor(e1,x4) & v_talk(e1) & (x2 = x4) & n_people(x2) & of(x2,x3) & n_group(x3))