A woman in a blue plaid shirt and sunglasses scratches her face as she walks down the street .
It is highly unlikely that the woman is wearing sunglasses because of the sun glare .
There is a very good chance that the woman is wearing sunglasses because of the sun glare .
It is highly unlikely that the woman is wearing sunglasses because of the sun glare .
The woman is wearing sunglasses because of the sun glare .