A man and a young boy are walking across a street as another man is riding by on a bicycle .
It is impossible that a father and his son cross the street next to a man riding his bicycle .
There is a very good chance that a father and his son cross the street next to a man riding his bicycle .
It is impossible that a father and his son cross the street next to a man riding his bicycle .
A father and his son cross the street next to a man riding his bicycle .