Which of the following sentences is punctuated correctly?

Question 14 options:

The chili, which had been simmering on the stove for hours, made the whole house smell delicious.


My cat who is almost fifteen years old is getting a bit of gray fur around his nose.


My brother the valedictorian of his high school got into a very competitive college.


That toy helicopter which broke after only a few days was actually quite expensive.