A dog on a leash walks on the sidewalk while another dog follows.
Several animals are outside in the fresh air.
A dog and a another dog implies animals
exists e1 p1 x1 x2 x3.(n_sidewalk(x3) & exists e2 x4.(Actor(e2,x4) & v_follow(e2) & n_dog(x4) & -(x4 = x1)) & n_dog(x1) & n_dog(x1) & while(e1,p1) & on(e1,x3) & Actor(e1,x1) & v_walk(e1) & on(x1,x2) & n_leash(x2))
exists s1 s2 s3 x1 x2.(n_air(x2) & a_fresh(s3) & Theme(s3,x2) & in(s2,x2) & Theme(s2,x1) & a_outside(s2) & n_animal(x1) & a_several(s1) & Theme(s1,x1))