prompt: Ian had twenty roses. He gave six roses to his mother,  nine roses to his grandmother, four roses to his sister, and he kept the rest. How many roses did Ian keep?
messages.content: Ian had twenty roses. He gave six roses to his mother,  nine roses to his grandmother, four roses to his sister, and he kept the rest. How many roses did Ian keep?
messages.role: user
messages.content: Ian gave a total of 6 + 9 + 4 = <<6+9+4=19>>19 roses.
  Therefore, Ian kept 20 - 19 = <<20-19=1>>1 rose.
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messages.role: assistant