Man and women walking on the street.
A man escorts a group of women down a dark alley.
A man escorts a specific group down a dark alley, very specific.
exists e1 s1 x1 x2 x3 x4.(n_street(x4) & a_topic(s1) & subset_of(x2,s1) & on(e1,x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_escort(e1) & down(x2,x4) & n_alley(x4) & a_dark(s1) & Theme(s1,x4) & of(x2,x3) & n_woman(x3) & n_group(x2) & n_man(x1))