conversations.from: human
conversations.value: One hundred people attended a party. Fifty percent of the attendees are women, thirty-five percent of them are men, and the rest are children. How many children attended the party?
  Solve this problem.
conversations.from: assistant
conversations.value: Out of 100 attendees, 100 x 50/100 = 50 are women.
  While 100 x 35/100 = 35 are men.
  So there were a total of 50 + 35 = 85 men and women who attended the party.
  Thus, 100 - 85 = 15 children attended the party.