question: Who is the only person not elected as US president or vice president to serve as president?
answerText: gerald Ford
questionEntity.name: Q11696
questionEntity.entityType: entity
questionEntity.label: President of the United States
questionEntity.mention: US president
questionEntity.name: Q42178
questionEntity.entityType: entity
questionEntity.label: vice president
questionEntity.mention: vice president
answerEntity.name: Q9582
answerEntity.label: Gerald Ford