Premise: Isle of Man . In 1266 , the island became part of Scotland under the Treaty of Perth , after being ruled by Norway . The Treaty of Perth , signed 2 July 1266 , ended military conflict between Magnus VI of Norway and Alexander III of Scotland over the sovereignty of the Hebrides and the Isle of Man .
Hypothesis: The Isle of Man was left out of the treaty between Norway and Scotland.
Label: ENTAILMENT