A group of people wait behind a metal fence.
Men and women wait to enter a concert.
A group of people does not imply men and women.
exists e1 x1 x2 x3 x4.(behind(e1,x3) & n_fence(x3) & of(x3,x4) & n_metal(x4) & Actor(e1,x1) & v_wait(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 p1 x1 x2 x3.(Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x1) & v_enter(e2) & n_concert(x4)) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))