A woman in a green vest is taking a picture of a horse.
The person is wearing a vest.
If the person is in a green vest then that person is wearing a vest. A woman is a person.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & of(x3,x4) & n_horse(x4) & n_picture(x3) & in(x1,x2) & n_vest(x2) & a_green(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_vest(x2))