A man wearing a black t-shirt , black pants , a black hat and wearing black shoes is picking up trash in an empty lot and putting it into a black trash bag .
It is probably the case that a sanitation worker cleans an empty lot .
It is probably the case that a sanitation worker cleans an empty lot .
It is probably not the case that a sanitation worker cleans an empty lot .
A sanitation worker cleans an empty lot .