Which statement uses the "you" attitude to most effectively express the benefits of an idea to the reader?

You should contact your health$-$care provider quickly to find out if you qualify for the Pfizer vaccine.

I am very impressed with the way that the team has come together under my tenure.

Employees who wish to apply for the pet insurance benefit should contact their department manager.

You need to make a greater effort towards innovation if you want this proposal to succeed.