Which answer choice best corrects the run-on sentence?
My mom needs to go to the grocery store my aunt and uncle are visiting us this weekend.
My mom needs to go to the grocery store my aunt and uncle are visiting.
My mom needs to go to the grocery store. My aunt and uncle. Are visiting us this weekend.
My mom needs to go to the grocery store because my aunt and uncle are visiting us this weekend.
My mom needs to go to the grocery store, my aunt and uncle are visiting us this weekend.