How does Jetblue handle Unaccompanied Minors (UMNR)? Please select the most appropriate option:
A) Jetblue does not allow unaccompanied minors to travel alone.
B) Jetblue provides a dedicated service called Jetblue Unaccompanied Minor (JBU) for children aged 5-14.
C) Jetblue requires unaccompanied minors to be at least 16 years old to travel alone.
D) Jetblue allows unaccompanied minors to travel alone without any specific guidelines or services.
