options: m : so , you mean you are trying to strengthen your memory ? m : ok , i see . you are writing an email on lumosity.com . and you are trying to send an email . m : really ? it 's a book that helps you exercise your brain and you are trying to creat a game ? m : ok , i see . it 's a website that helps you exercise your brain through listening to music . and you are trying to strengthen your memory .
article: m : what are you doing ? sending an email ? f : no , i am playing a game on lumosity.com . it 's a website that helps you exercise your brain through playing games . if i keep playing , it is bound to get stronger .