A group of people enjoying a small carnival.
The group of people are friends.
The first sentence only implies that the group is enjoying the carnival, but not necessarily that they are friends.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_enjoy(e1) & n_carnival(x4) & a_small(s1) & Theme(s1,x4) & (x2 = x3) & n_people(x2) & n_group(x1))
exists p1 x1 x2.(n_group(x1) & exists x3.((x1 = x3) & n_friend(x3)) & of(x1,x2) & n_people(x2))