What are examples of foils in romeo and Juliet act 4?

* Romeo and Paris: Romeo is a passionate and impulsive lover, while Paris is a noble and respectful suitor.

* Juliet and the Nurse: Juliet is a naive and innocent young woman, while the Nurse is a practical and experienced older woman.

* Friar Laurence and Capulet: Friar Laurence is a peace-loving and wise religious figure, while Capulet is a hot-headed and violent nobleman.

* Mercutio and Benvolio: Mercutio is a witty and playful friend of Romeo's, while Benvolio is a more serious and level-headed friend.