Select all of the sentences that use a semi-colon correctly to join two sentences together.

1.my sister usually steals my legos every night while i'm sleeping; i set up a video camera to catch her.
2.my sister usually steals my legos every night; while i'm sleeping i set up a video camera to catch her.
3.during the storm, several branches broke off trees and fell; i spent six hours the next day cleaning up.
4.during the storm, several branches broke off trees; and fell i spent six hours the next day cleaning up.
5.we were completely exhausted; from the flight still, we wanted to take the museum tour.
6.we were completely exhausted from the flight; still, we wanted to take the museum tour.
7.scott's dog needed his flea medicine therefore; his owners took him to the vet.
8.the invitations i received are light blue the problem; is that i ordered purple ones.
9.bananas are supposed to be a superfood; i try and eat one every single day