A small child plays with a ball while others relax and converse with one another .
It is almost certain that a man plays with a ball while others relax and converse with one another .
It is impossible that a man plays with a ball while others relax and converse with one another .
It is almost certain that a man plays with a ball while others relax and converse with one another .
A man plays with a ball while others relax and converse with one another .