Read the excerpt below.
Mr. Macomb told the detective that he was in the shower when someone stole his precious Fluffy from the yard, and all they left behind was some large footprints. Which statement correctly describes the elements of this mystery?

1. The detective is trying to solve a crime, Mr. Macomb is a suspect, and Fluffy is a clue.

2. The detective is trying to solve a crime, Fluffy is a suspect, and large footprints are evidence.

3. The detective is trying to solve a crime, Mr. Macomb is a witness, and large footprints are a clue.

4. The detective is trying to solve a crime, Fluffy is evidence, and Mr. Macomb being in the shower is an alibi.