Aconsumer filed a breach of contract action against a seller in a state court in state a, seeking $100,000 in damages. the consumer was a citizen of state a. the seller was a state b corporation whose principal place of business was in state a. five days after being served with the complaint and summons, the seller removed the action to federal district court. seven months later, the consumer filed a motion to remand the action back to state court. how should the federal court rule on the motion to remand the action to state court?