back-end service which could return new tags based on answer.
				var xhr = new XMLHttpRequest()
				xhr.onload = function(event){
					if(step++ == 2){
						// add tags that are received from pseudo webservice ..
						var tags = [
							{
								// select group
								"tag": "select",
								"name": "country",
								"cf-questions": "Runtime injected tags, first tag value: {first-tag}&& + follow-up",
								"cf-input-placeholder": "Some copy",
								"multiple": false,
								"children":[
							