conversations.from: human
conversations.value: Can you give me some step-by-step instructions for this math problem: Jonathan's full name contains 8 letters for the first name and 10 letters for the surname. His sister's name has 5 letters for the first name and 10 letters for the second name. What's the total number of letters in their names?
conversations.from: assistant
conversations.value: Jonathan has 8 +10 = 18 letters in his name.
  His sister has 5+10 = 15 letters in her name.
  The total number of letters in their names is 18+15 = 33