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The Green Party's election broadcast lambasts David Cameron, Nick Clegg, Ed Miliband and Nigel Farage for acting the same - emphasising that the Greens alone represent a real “change of tune.”
However, we are not sure – take this quiz to see if you can work out the difference between Ukip and Greens.
Sources: BBC Manifesto guide
More: This Ukip candidate is being investigated by police for handing out sausage rollsMore: The Green Party's party election broadcast is here and it's quite something