question: Which game is in the Metal Gear series and has the BB Unit as the main antagonist group?
answerText: Metal Gear 4: Guns of the Patriots
questionEntity.name: Q216655
questionEntity.entityType: entity
questionEntity.label: Metal Gear
questionEntity.mention: Metal Gear
questionEntity.name: Q2893332
questionEntity.entityType: entity
questionEntity.label: Beauty and the Beast Unit
questionEntity.mention: the BB Unit
answerEntity.name: Q846167
answerEntity.label: Metal Gear Solid 4: Guns of the Patriots