A little boy in pajamas snuggles on a couch with a Santa hat.
The boy is not wearing a hat.
The phrase "with a santa hat" suggests the boy is wearing it, however the second sentence states that he is not wearing a hat
exists e1 s1 x1 x2 x3 x4 x5.(on(e1,x3) & with(x3,x4) & n_hat(x4) & (x4 = x5) & ne_org_santa(x5) & n_couch(x3) & Actor(e1,x1) & v_snuggle(e1) & in(x1,x2) & n_pajamas(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists x1.(n_boy(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_hat(x2)))