A barefooted boy on an uncrowded beach.
A boy is chasing a dog on the sidewalk.
Either a boy is on the beach or on the sidewalk street.
exists s1 s2 x1 x2.(a_topic(x1) & on(x1,x2) & n_beach(x2) & a_uncrowded(s2) & Theme(s2,x2) & n_boy(x1) & a_barefooted(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_sidewalk(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_dog(x2) & n_boy(x1))