Suppose that a majority of all US voters prefer policy A to policy B. In a congressional vote between A and B, if each representative votes for the policy that a majority of voters in her/his district prefer, then the majority of representatives vote for 1) A. 2) B. 3) A if all the districts have the same population and the same percentage of voters who prefer A. 4) A if, whenever a district has a majority of voters preferring A, it has at least a 90% majority preferring A. 5) All the other answers are incorrect