An older person is sitting on a red bench next to a black man with a children 's bookstore behind them both .
It is likely that a grandfather waits for his son to get done in the bookstore .
It is impossible that a grandfather waits for his son to get done in the bookstore .
It is likely that a grandfather waits for his son to get done in the bookstore .
A grandfather waits for his son to get done in the bookstore .