If ( age >14){if (age >=18) why is this double if statement is used?

Answer 1

If ( age >14)
{
if (age >=18)
{
//something
}
else
{
//person is older then 14 but not 18 yet
}
}

Answer 2

to include the age of 18 also

Answer 3

to include the age of 18 also