Flight $($flightnumber$,$ flighttime, airelinename, passengername, pass$\_$gender, pass$\_$dateofbirth, pilotname, pilot$\_$gender, pilot$\_$dateofbirth, departure$\_$city, arrival$\_$city, planeid, plane$\_$type, seats$).$

$1.$ Answer the following questions:

a$.$ What is the PK for this relation in its current state? $(4$ pts$)$

b$.$ What Normal Form is the current state of this relation? $(4$ pts$)$