Exercise 5.1.1: (back)

> (symbol=? (reply 'GoodMorning) 'Hi)
true

> (symbol=? (reply 'HowAreYou?) 'Fine)
true

> (symbol=? (reply 'GoodAfternoon) 'INeedANap)
true

> (symbol=? (reply 'GoodEvening) 'BoyAmITired)
true