@openstreetmap/id-tagging-schema/data/fields/armrest.json

The OpenStreetMap tagging model used by the iD editor

{
    "key": "armrest",
    "type": "check",
    "label": "Armrests",
    "strings": {
        "options": {
            "undefined": "Unknown",
            "yes": "One or more armrests",
            "no": "No armrests"
        }
    }
}