The Relational Pronoun Who Owns This Restaurant Tells Us Which Man Is Catherine's Best Friend

The rule is when the pronoun refers to the subject, it's... She's the doctor who saw me yesterday. And when the pronoun referring to the object, it's She's the doctor Who I saw yesterday. Here's an example with which. Spring is a season which I enjoy the most. Me too. To give more information about a thing, the season, we add the relative pronoun which plus the verb phrase I enjoy the least.