type User {
  id: ID! @unique
  email: String! @unique
  password: String!
  trips: [Trip!]! @relation(name: "TripsTraveling")
  ownedTrips: [Trip!]! @relation(name: "OwnedTrips")
}

type Trip {
  id: ID! @unique
  travelers: [User!]! @relation(name: "TripsTraveling")
  owner: User! @relation(name: "OwnedTrips")
}