using this information , draw out a CLASS DIAGRAM

Customer's description of desired software: Customer asked you to develop a parent control software E-Guard' that monitors, blocks and controls internet usage in real time. The E-Guard is a standalone software that can be run in MS Windows, Linux and Mac operating system with the following functions/features. The E-Guard shall allow parents to check web activity, keystroke, chat, email, IM and launched application. The E-Guard shall keep a local DB of unhealthy websites and synchronize the DB with the remote server in a daily basis. (note: Remote server is maintained by a 3rd party service vendor who publishes and updates unhealthy websites. t is their responsibility to create and maintain the remote server. Your job is to copy its DB to your local drive in a daily basis) The E-Guard shall block unhealthy websites. The E-Guard shall remove unhealthy words from search engine (note: it is 3^rd party's responsibility to create and maintain common unhealthy keywords) Once a suspicious activity is identified, the E-Guard shall take snapshoot of the screen and notify parents by email and text message. The suspicious activities include trying to browse unhealthy websites, nasty words appear in email/chat/IM or typing blocked keywords in search engine. The E-Guard shall allow parents to configure the setting. The setting includes, blacklist, whitelist, blocked keyword, internet time control, categories to be blocked (it is 3^rd parth's responsibility to create and maintain the website categories), etc Only authorized users have access to the configuration and uninstall