Train and the Minions

All the minions are travelling to New York in a train. Kevin is the leader of all the minions. Now since the number of minions is way too large in that train, Kevin needs to manage all of them at once. He wants to make sure that all of the Minions are present in the train. For the same, he found out a way of taking attendance. What he does is, he asks each of the minion to tell the seat type and s