premise: The woman is holding a mug, and has sunglasses on the top of her head. hypothesis: She is wondering where her sunglasses are, forgetting that they are on top of her head.
neutral: The fact that the woman has sunglasses on top of her head does not imply that she is wondering where her sunglasses are or that she has forgotten them.  Nothing about the woman's state of mind is conveyed in the first sentence.