A group of men looking at clothing.
A group of men are shopping.
The group of men are looking at clothing but that doesn't mean that they are shopping.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & at(e1,x4) & n_clothing(x4) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_man(x2) & n_group(x1))
exists p1 x1 x2.(exists x3.((x1 = x3) & n_shopping(x3)) & of(x1,x2) & n_man(x2) & n_group(x1))