[Wizard.]

A party that promises loads of stuff but rarely delivers on it (Labour)

Or

A party that doesn't promise a lot but doesn't let you down (Conservative)

I'm honestly interested because I find things like party loyalty weird for example people who have been Labour all their life despite the fact every Labour government promises the moon and can't even deliver a bit of dust or Tories who vote for a stronger economy but which does not necessarily effect their day-day life.