Alice, who lives in state b, owes henry, who lives in state a, $2,000. he wants to sue her to collect the money. he wants to sue in a federal district court. he is afraid that if he brings suit in state a, the courts of that state will be prejudiced against him because alice is a woman. he is afraid that if he sues in the courts of state b, those courts will be prejudiced because he is a "foreigner." can henry sue alice in a federal district court?