diff --git a/webapp/questionSchema.json b/webapp/questionSchema.json
index 25a274f..06a4f64 100644
--- a/webapp/questionSchema.json
+++ b/webapp/questionSchema.json
@@ -110,40 +110,10 @@
                 "options": {
                     "properties": {
                         "enum": {
-                            "anyOf": [
-                                {
-                                    "items": [
-                                        {
-                                            "items": {
-                                                "type": "string"
-                                            },
-                                            "type": "array"
-                                        }
-                                    ],
-                                    "maxItems": 1,
-                                    "minItems": 1,
-                                    "type": "array"
-                                },
-                                {
-                                    "items": [
-                                        {
-                                            "items": {
-                                                "type": "string"
-                                            },
-                                            "type": "array"
-                                        },
-                                        {
-                                            "items": {
-                                                "type": "string"
-                                            },
-                                            "type": "array"
-                                        }
-                                    ],
-                                    "maxItems": 2,
-                                    "minItems": 2,
-                                    "type": "array"
-                                }
-                            ]
+                            "items": {
+                                "type": "string"
+                            },
+                            "type": "array"
                         }
                     },
                     "type": "object"