An adult and a kid walk down a city sidewalk.
An adult and a kid wearing t-shirts are walking.
Just because an adult and child are walking does not mean they are wearing t-shirts.
exists s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & down(x2,x4) & n_sidewalk(x4) & of(x4,x5) & n_city(x5) & n_walk(x2) & of(x2,x3) & n_kid(x3) & subset_of(x1,s1) & n_adult(x1))
exists e1 e2 x1 x2 x3 x4 x5.(Actor(e2,x1) & v_walk(e2) & subset_of(x3,x1) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_t-shirt(x5) & (x3 = x4) & n_kid(x3) & subset_of(x2,x1) & n_adult(x2))