question: Which Jhene Aiko collaboration was nominated for the Best R&B Performance Grammy but did not win?
answerText: Lightning & Thunder
questionEntity.name: Q15929781
questionEntity.entityType: entity
questionEntity.label: Jhené Aiko
questionEntity.mention: Jhene Aiko
questionEntity.name: Q5593863
questionEntity.entityType: entity
questionEntity.label: Grammy Award for Best R&B Performance
questionEntity.mention: Best R&B Performance Grammy