LONDON (ShareCast) - (ShareCast News) - David Cameron's government suffered its first defeat in the House of Commons on Monday night after eurosceptic Tories joined forces with opposition MPs to defy the prime minister on the rules surrounding an EU referendum.
Take context from the input text and decide on the accurate relationship between 'Tories' and 'LONDON' from the options provided.
Options: parent organization, chairperson, headquarters location, manufacturer