After taking input from the user will check which string is entered and goes to particular case statement.
Output:
b
alphabet b

Condition is satisfied and value is not changed.
Output:
True

True or false will always evaluate to true, hence the elsif block is executed.

No two end statements required after if and else just one end statement is sufficient.

!true || true evaluates to true, hence elsif block gets executed.
Output:
True

As hungry is initialized to false hence the unless condition is executed.
Output:
Not hungry

If condition is true then code is executed and then it comes out and then execute the remaining code.
Output:
Eleven is greater than two
You'r right