text: 
  class Gear {
  
  	constructor(regex, action) {
  		this.regex = regex;
  		this.action = action;
  	}
  
  	execute( text ) {
  		return this.action(text);
  	}
  	
  	static randomAnswer( alternatives ) {
  		let index = Math.floor((Math.random() * alternatives.length));
  		return alternatives[index];
  	}
  
  }
  
  module.exports = Gear;