type Squirrel {
    favouriteFood: String
}

type Cheetah {
    favouriteFood: String
    species: String!
    topSpeed: Int!
    weightGrams: Int
}

type Mammoth {
    tuskLength: Int
}

type Query {
    getMammoth: Mammoth
}

interface Animal {
    favouriteFood: String
    species: String!
    weightGrams: Int
}