Which 2 sentences are run-on sentences?

Answer options with 5 options
1.
"United States citizenship comes with many civic duties the most basic responsibility is voting."

2.
"Before exercising the right to vote, however, citizens should become informed and involved."

3.
"Being active in one's community leads to a greater awareness concerning its challenges and needs."

4.
"Consequently, people have a better understanding of how national issues may affect their local areas."

5.
"Informed citizens are more likely to vote, they vote because they observe how voting changes daily life."