Traduire en français une phrase avec un pronom relatifTraduction

Quelle est la traduction française de chacune des phrases suivantes ?

What I like most about Jenny is her sense of humor.

My brother, who lives in Oxford, is a doctor.

The house that they bought in California is huge.

Max, whom I like a lot, is Lily's brother.

They brought me a present, which is very nice of them.