Which one of the following is an example of second degree price discrimination?

Movie theaters offering general$-$admission tickets and discounted student tickets for the same movie.

Some cities offering lower prices for public transportation and parking to residents versus tourists.

Some universities offering need$-$based, means$-$tested scholarships to students who can prove they have very low incomes.

Grocery stores offering brand$-$name and store$-$brand products on their shelves.