Combination Relationship

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/vnd.api+json
Vary: Accept

{
    "data": [
        {
            "type": "SmallVariant",
            "id": "21"
        },
        {
            "type": "SmallVariant",
            "id": "22"
        }
    ]
}