Read the excerpt from "Saying 'No' to Homework." Students today have too much homework. Older kids and even some elementary school students have to do hours of homework each night. Students also have to complete homework during school vacations.
To avoid overloading students, some schools have put limits on homework. These schools have seen that a heavy homework load doesn't benefit students. In fact, too much homework causes problems that may affect kids far into the future.

Which sentence from the excerpt is a claim?

Students today have too much homework.
Students also have to complete homework during school vacations.
To avoid overloading students, some schools have put limits on homework.
These schools have seen that a heavy homework load doesn’t benefit students.