If last night’s weird Question Time debate didn't convince you of which party to vote for then we've found just the thing to help you decide: a video of Jon Snow (the newsreader) explaining the increasingly complicated UK election to Americans using Game of Thrones.
Made for Mashable, it's superb. The results are as follows:
Conservatives = The Lannisters
Labour = The Starks
SNP = The Wildlings
UKIP = Pokemon
If that doesn't sway your vote one way or the other then you’ll just have to use something completely arbitrary, like policies.