premise: A young girl is laughing and chasing pigeons on the street where other people are walking nearby.
hypothesis: A young girl chases some birds.
explanation_1: A young girl can chase either pigeons or some birds.
explanation_2: A young girl who is chasing birds is not laughing, and is not amongst other people.
explanation_3: Pigeons are not birds.
premise_logic: exists e2 e1 p1 s1 s2 x1 x2 x3 x4 x6.(n_people(x6) & n_street(x4) & on(e2,x4) & exists e3 s3 x5.(a_nearby(s3) & Manner(e3,s3) & Actor(e3,x5) & v_walk(e3) & -(x5 = x6) & n_people(x5)) & where(x4,p1) & Theme(e2,x3) & Actor(e2,x2) & v_chase(e2) & n_pigeon(x3) & n_girl(x2) & a_young(s2) & Theme(s2,x2) & Actor(e1,x1) & v_laugh(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_bird(x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1))