xxx (22:54:47 7/03/2008)
It’s time to drink the pills.

yyy (22:55:20 7/03/2008)
Which of them?)) To improve memory?

xxx (22:59:34 7/03/2008)
What what?

yyy (22:59:45 7/03/2008)
The tablets.

xxx (23:00:13 7/03/2008)
Which pills?