Answer:
Simple sentence
Explanation:
The sentence "I went to the store, which is by the corner" is an example of a simple sentence because it has a single subject, a verb (predicate) and a complement.
A clause is a group of words that contain a subject and a predicate(verb). Sometimes, it can be made up of a subject, a verb phrase and a complement.
I went to the store, which is by the corner
Subject Verb Complement
The above sentence contains a subject, verb and complement.