A State A citizen and a State B citizen were involved in a car accident. The State B citizen filed a negligence action against the State A citizen in federal district court, seeking $500,000 for injuries incurred in the accident. The State A citizen believes that she was not at fault and that the accident was caused by the negligence of the State B. May the State A citizen assert in the pending action a negligence claim against the State B citizen, seeking $400,000 for the injuries the State A citizen suffered in the accident