Choose the correct answer to create subject-verb agreement.

1. The list of prohibited items in the court [is/are] posted at the entrance.

2. The witnesses, Joe Friel and Bob Blaze, [arrive/arrives] by plane this afternoon.

3. Neither Judge Mack or Judge Atwood [is/are] available today.

4. Fifty percent of the cases [have/has] settled.

5. If the police [was/were] here, the partygoers would disperse faster.