func openWebSocket() {
        var request = URLRequest(url: URL(string: socketUrl)!)
        request.timeoutInterval = 5
        request.addValue("iOS/1.2.17", forHTTPHeaderField: "x-hq-client")
        request.addValue("Bearer xxx", forHTTPHeaderField: "Authorization")
        request.addValue("MQ==", forHTTPHeaderField: "x-hq-stk")
        request.addValue("api-quiz.hype.space", forHTTPHeaderField: "Host")
        request.addValue("Keep-Alive", forHTTPHeaderField: "Connection")
        request.addValue("gzip", forHTTPHeaderField: "Accept-Encoding")
        request.addValue("okhttp/3.8.0", forHTTPHeaderField: "User-Agent")
        let ws = WebSocket(request: request)

        ws.event.open = {
            print("Opened web socket.")
            print("-----")
        }

        ws.event.error = { error in
            print("Error: \(error)")
            print("-----")
        }

        ws.event.message = { message in
            if let received = message as? String {
                print("Message received: \(received)")
                print("-----")

                let json = JSON(received)

                if (json["type"] == "question") {
                    let question = json["question"].stringValue
                    self.question = question
                    print(self.question)
                    print("-----")

                    let answersArray = json["answers"].arrayValue
                    print(answersArray)
                    print("-----")

                    let answersJSONArray = JSON(answersArray)
                    for (_, object) in answersJSONArray {
                        let answer = object["text"].stringValue
                        print(answer)
                        print("-----")
                    }

                    let firstJSON = JSON((answersArray.first)!)
                    let firstText = firstJSON["text"].stringValue
                    print("First value in array: " + firstText)
                    print("-----")
                    self.answer1 = firstText

                    let middleJSON = JSON(answersArray[1])
                    let middleText = middleJSON["text"].stringValue
                    print("Second value in array: " + middleText)
                    print("-----")
                    self.answer2 = middleText

                    let lastJSON = JSON((answersArray.last)!)
                    let lastText = lastJSON["text"].stringValue
                    print("Last value in array: " + lastText)
                    print("-----")
                    self.answer3 = lastText
                }

                self.updateLabels()
            }
        }
    }