Determine whether the events are mutually exclusive. Explain your reasoning.
1. Event A: Randomly select a jack from a standard deck of 52 playing cards.
Event B: Randomly select a face card from a standard deck of 52 playing cards.
2. Event A: Randomly select a vehicle that is a Ford.
Event B: Randomly select a vehicle that is a Toyota.
a. Determine whether the events can occur at the same time.
b. State whether the events are mutually exclusive.