A little blond boy in a striped shirt is playing with a toy walker.
A small blonde boy a playing with his favorite toy.
One can't assume that just because a boy is playing with a toy walker, that it is his favorite toy.
exists e1 s1 s2 s3 x1 x2 x3 x4.(with(e1,x3) & n_walker(x3) & of(x3,x4) & n_toy(x4) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_shirt(x2) & a_striped(s3) & Theme(s3,x2) & n_boy(x1) & a_blond(s2) & Theme(s2,x1) & a_little(s1) & Theme(s1,x1))
all x1 s3 x3.((n_toy(x3) & a_favorite(s3) & Theme(s3,x3) & of(x3,x1) & n_male(x1) & n_playing(x1)) -> exists s1 s2 x2.(a_topic(x2) & with(x2,x3) & for(x2,x1) & n_boy(x2) & a_blonde(s2) & Theme(s2,x2) & a_small(s1) & Theme(s1,x2)))