Which one is the right answer?

Question 4 1 pts Downs's spatial model of electoral competition predicts that candidates and parties will gravitate to the position of the median voter. But this doesn't always happen, right? Almost all of the following answers are possible explanations for why a party might fail to position itself in alignment with the median vote. Choose the answer that is not a possible explanation for this. There are more than two parties seriously contending for votes. O While there are currently only two parties contending for votes, there is a real possibility that a third party might enter the competition. The party is policy-seeking rather than vote-maximizing. There are only two parties contending for votes