this one is
Celle-ci est la plus délicieuse des pommes.
This is the most delicious apple.
Celle-ci est ma première phrase russe.
This is my first Russian sentence.
This one is yours.
This one is the worst.
This one is special.
This one is pretty.
This one is different.
Celle-ci est un peu plus dure.
This one is a little harder.