Premise: 19th G7 summit . The Group of Seven ( G7 ) was an unofficial forum which brought together the heads of the richest industrialized countries : France , Germany , Italy , Japan , the United Kingdom , the United States , Canada ( since 1976 ) and the President of the European Commission ( starting officially in 1981 ) .
Hypothesis: The 19th G7 summit only included Russia.
Label: CONTRADICTION