Create a data class with a vip property implementing the Human interface

Question

```kotlin
interface Named {
    val name: String
}

interface Human : Named {
    val firstName: String
    val lastName: String

override val name: String get() = "$firstName $lastName"
}
```
I'd like to create a _data_ class with a _vip_ property implementing the _Human_ interface, for this I should write:

Accepted Answer

```kotlin
data class Customer(
    override val firstName: String,
    override val lastName: String,
    var vip: Boolean
) : Human
```

Answer

```kotlin
data class Customer(
    val firstName: String,
    val lastName: String,
    var vip: Boolean
) : Human
```

Answer

```kotlin
data class Customer(
    var vip: Boolean
) : Human
```

Answer

```kotlin
data class Customer(
    var vip: Boolean
) : Human(firstName, lastName)
```

Question from the Kotlin test

Create a data class with a vip property implementing the Human interface