Different types of polls

Currently, the only polls you can run are polls where every party is an option, which work great for legislative elections but other types of elections maybe not so much. For example, sometimes multiple parties form an alliance to run only one candidate, or there are only a couple of parties fielding candidates while the rest isn’t. You can only really guess how much each party is gonna get. That’s why I think you should be able to run specific types of polls, like polls where only certain parties are options.