Text: they won't be as functional as like a cassette player where if you heard something you could record it you know uh if you have i guess if you wanted to record something to play out in your car or something that you'd heard or that you owned an album of so CDs won't be nearly as handy
Entailment: Cassettes are much handier to do a quick recording than CD's are.
Contradiction: Cassettes are obsolete, no one uses them anymore.