text: var pattern = require("matches").pattern;
  
  exports.evaluate = function(inputString, data, callback){
  	console.log(data);
  	var possibleResponses = ["Hi", "Hello","Hey What's up","Hello there"];
  	var responseString = possibleResponses[Math.floor(Math.random() * possibleResponses.length)];
  	
  	if(data.responseString){
  		responseString = data.responseString;
  	}	
  	callback(responseString);
  }