Please determine what types of evidence the following may be, and if hearsay, please explain if there may be exception to the hearsay rule:

A man holing a book of matches at the scene of a fire.

2. A person who is dead, a smoking gun on the floor, and a person standing over the deceased.

3. Seeing a car hitting a pedestrian.

4. A certified birth certificate.

5. An affidavit.