A blond baby is watching a dark-haired baby chew on a blue toy.
A blond baby is chewing on a dark-haired baby.
chewing on a dark haired baby and watching a dark haired baby chew a toy is not the same.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & on(e1,x4) & n_toy(x4) & a_blue(s3) & Theme(s3,x4) & Actor(e1,x3) & v_chew(e1) & (x2 = x3) & n_baby(x2) & a_dark-haired(s2) & Theme(s2,x2) & n_baby(x1) & a_blond(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(on(e1,x2) & n_baby(x2) & a_dark-haired(s2) & Theme(s2,x2) & Actor(e1,x1) & v_chew(e1) & n_baby(x1) & a_blond(s1) & Theme(s1,x1))