Who said compare her face with some that I shall show, and I Will MQKE THEE THINK THY SWAN A crow

Benvolio says this to Romeo in Act 1 sc 2. Basically Benvolio is saying that he will show Romeo women to make him forget about Rosaline. I think that Benvolio hopes that there will be women at the party which Romeo will like, I don't think that he is certain.