A person is walking in a city with a group of birds.
A woman is walking in a city with a group of birds.
A person does not have to be a woman.
exists e1 x1 x2 x3 x4.(with(e1,x3) & of(x3,x4) & n_bird(x4) & n_group(x3) & in(e1,x2) & n_city(x2) & Actor(e1,x1) & v_walk(e1) & n_person(x1))
exists e1 x1 x2 x3 x4.(with(e1,x3) & of(x3,x4) & n_bird(x4) & n_group(x3) & in(e1,x2) & n_city(x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))