A man in a black hat is pushing a cart full of boxes down the street as a lady in brown boots walks by .
A man is pushing an empty cart in the library .
A man in a black hat is pushing a cart full of boxes down the street as a lady in brown boots walks by.
A man is pushing an empty cart in the library.
The cart cannot be both full and empty at the same time. The street cannot be inside of a library and the inside of the library cannot be on the street.
The cart can not be both full and empty at the same time . The street can not be inside of a library and the inside of the library can not be on the street .