For the following arguments, determine which form the argument has and whether it is valid or invalid. Remember, determining if an argument is valid is not determining if we agree or not, it is determining if the conclusion would have to follow when the premises are true.

P_1: There is problem with the ignition, but it might be a problem with the battery.
P_2: We’ve ruled out a problem with the ignition.
C: There is a problem with the battery.