A man wearing a suit is standing in a group of people.
There are many people.
A group of people generally implies many people, as opposed to one or none.
exists e2 e1 x1 x2 x3 x4 x5.(in(e2,x4) & of(x4,x5) & n_people(x5) & n_group(x4) & Actor(e2,x1) & v_stand(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_suit(x3) & (x1 = x2) & n_man(x1))
exists p1 x1 x2.((x1 = x2) & n_people(x2) & n_quantity(x2))