Whose plate is this? (you)
This plate is yours.
Whose bowl is this? (he)
This bowl is his.
Whose spoon is this? (she)
This spoon is hers.
Whose plate is this? (I)
This plate is mine.
Whose fork is this?
This fork is hers.
Whose knife is this? (he)
This knife is his.
Whose cup is this? (he)
This cup is his.
Whose plate is this? (you)
This plate is yours.
Whose cup is this? (I)
This cup is mine.
Whose bowl is this? (she)
This bowl is hers.