Task: Question Generation
Input (English): #1 return gold 
#2 return price of #1 
#3 return #2 on March 17 2008 
#4 return #2 on January 3 2008 
#5 return which is highest of #3 ,  #4
Output (English): Which date was the price of gold higher, March 17, 2008 or January 3, 2008?