5. Consider the following logic variables for a car:

Db = the driver's seat belt is fastened

Pb = the passenger seat belt is fastened

W = the seat belt warning should be on in my car"

Write a sentence in English that expresses the logic equation W = Db + Pb. (A: W = If either the driver's seat belt is not fastened or the passenger's seat belt is not fastened, the seat belt warning light should be on.)

Kosky, Philip; Balmer, Robert T.; Keat, William D.; Wise, George. Exploring Engineering (p. 187). Elsevier Science. Kindle Edition.