A$.$ Comment on following designs $($whether the primary keys are appropriate$).(20$ points$)$

Hint: The answer may not be as simple as a $$yes$$ or $$no$.$ Explain and justify your answer.

$1.$ PROPERTY $($PropertyName$,$ PropertyAddress, OwnerName, OwnerEmail, OwnerType$)$

$2.$ PROPERTY $($PropertyName$,$ PropertyAddress, OwnerName, OwnerEmail, OwnerType$)$

$3.$ PROPERTY $($PropertyName$,$ PropertyAddress, OwnerName, OwnerEmail, OwnerType$)$

$4.$ PROPERTY $($PropertyName$,$ PropertyAddress, OwnerName, OwnerEmail, OwnerType$)$