conversations.from: human
conversations.value: John decides to get the vaccine for COVID.  He has to wait 20 minutes for the first dose.  The second dose has a wait time half as long.  How long was the total wait time?
  What is the solution?
conversations.from: assistant
conversations.value: The second dose had a wait time of 20/2=10 minutes
  So the total wait time is 20+10=30 minutes