question: The graph shows the price change, in dollars, of a toy for different levels of demand. The x-axis represents quantity (thousand units), and the y-axis represents price.
  
  What is the average rate of change?
  
query_wo: Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
  Question: The graph shows the price change, in dollars, of a toy for different levels of demand. The x-axis represents quantity (thousand units), and the y-axis represents price.
  
  What is the average rate of change?
  
query_cot: Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
  Question: The graph shows the price change, in dollars, of a toy for different levels of demand. The x-axis represents quantity (thousand units), and the y-axis represents price.
  
  What is the average rate of change?
  
question_for_eval: The graph shows the price change, in dollars, of a toy for different levels of demand. The x-axis represents quantity (thousand units), and the y-axis represents price.
  
  What is the average rate of change?
  