anchor.diff:  {
       "suggest": {
           "input": "timmy's",
  -        "context": [
  +        "contexts": [
               "location": [
                   {
                       "lat": 43.6624803,
  
positive.code:         "completion" : {
              "field" : "suggest",
              "size": 10,
              "context": {
                  "location": {
                      "lat": 43.662,
                      "lon": -79.380
  
negative.code:     ...
      "suggest": {
          "input": ["timmy's", "starbucks", "dunkin donuts"],
          "contexts": {
              "place_type": ["cafe", "food"] <1>
          }
      }
  