Boy in a red hat and blue shirt is walking on a sidewalk.
A boy walking with his mother to the store.
One cannot infer that the boy is walking with his mother and that they are going to the store.
exists e1 s1 s2 x1 x2 x3 x4 x5.(ne_nam_boy(x1) & on(e1,x5) & n_sidewalk(x5) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_shirt(x4) & a_blue(s2) & Theme(s2,x4) & n_hat(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_red(s1) & Theme(s1,x2))
exists x1 x2 x3 x4.(n_store(x4) & a_topic(x1) & with(x1,x3) & to(x3,x4) & n_mother(x3) & of(x3,x1) & n_male(x1) & n_walking(x1) & of(x1,x2) & n_boy(x2))