A person in a red skirt rides their scooter by a construction site.
the person is a woman
A person in a red skirt rides their scooter don't necessarily imply the person is a woman.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & by(x3,x4) & n_site(x4) & of(x4,x5) & n_construction(x5) & n_scooter(x3) & of(x3,x1) & n_thing(x1) & in(x1,x2) & n_skirt(x2) & a_red(s1) & Theme(s1,x2) & n_person(x1))
exists p1 x1.(n_person(x1) & exists x2.((x1 = x2) & n_woman(x2)))