Normalization The travel office at Pilot Training College maintains information about flights, pilots, and passengers. You have been given the following assumptions: flight has a unique flight number, a passenger has a unique name, a pillot has a unique name A A flight is handled by one airline .A flight can have multiple passengers, a passenger can be on multiple flights *A flight has one pilot, a pilot can operate multiple flights *A flight is always handled by exactly one airplane You have been given the following relation atdival city, planeid, planetme, seats) Answer the following questions: a. What is the PK for this relation in its current state? 1. b. What Normal Form is the current state of this relation