What does Hillary's head swinging (left to right) mean here? (Poll Closed) (poll 1076443)

It is showing her subconscious thoughts of disapproval for Obama. 74% (23 votes)

It is a subconscious affirmation of her beliefs in support of Obama. 16% (5 votes)

I don't know 10% (3 votes)

What does Hillary's head swinging (left to right) mean here? (Poll Closed)