A person is walking in a city with a group of birds.
A person is walking outside.
The city is outside.
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 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & n_person(x1))