query SelectionOfEnum {
  pet1 {
    name
  }
  pet2 {
    name
  }
  pet3 {
    name
  }
  pet4 {
    name
  }
  pet5 {
    name
  }
  pet6 {
    name
  }
}

type Query {
  pet1: Pet
  pet2: Pet!
  pet3: [Pet]
  pet4: [Pet!]
  pet5: [Pet]!
  pet6: [Pet!]!
}

enum Pet {
  CAT
  DOG
  FOX
}