There are three different ways to commute from a busy city airport to the long-term parking lot. Tom, a frequent flyer, can take different transportation methods. Given the following events, which of the statements is true? Event A: Tom takes the bus to get from the airport to the long-term parking lot.
Event B: Tom walks from the airport to the long-term parking lot.
Event C: Tom takes the train to get from the airport to the long-term parking lot.

a. Event B and Event C are mutually exclusive.
b. Event A and Event B are mutually exclusive.
c. Event A and Event C are not mutually exclusive.
d. Event A and Event C are mutually exclusive.