conversations.from: human
conversations.value: Please show me the solution for: John buys 4 pounds of beef.  He uses all but 1 pound in soup.  He uses twice as many pounds of vegetables as beef.  How many pounds of vegetables did he use?
conversations.from: assistant
conversations.value: He used 4-1=3 pounds of beef
  So he used 3*2=6 pounds of vegetables