Inspired by this market: https://manifold.markets/Nico/will-the-party-endorsed-by-the-sun

As in the above market, endorsement will be determined by the equivalent of this page: https://en.wikipedia.org/wiki/Endorsements_in_the_2019_United_Kingdom_general_election

For context, the Sun is a popular British newspaper. It is generally considered to be right-wing, and it has supported the Conservatives more often than not, but it endorsed Labour at the 1997, 2001, and 2005 elections.