The underlined part of the sentence is a restrictive clause
What is a Restrictive Clause?
This refers to the type of clause which introduces information that is important to understand the meaning of a sentence.
Hence, we can note that from the given sentence, there is a description of students in a parking spot and how they park close to the entrance and a restrictive clause is used to give important information.
Read more about restrictive clause here:
https://brainly.com/question/952810
