question: What was more expensive, matches in 1944 or a kilogram of camote in 1945?
#1 return matches 
#2 return a kilogram of camote 
#3 return price of #1 
#4 return price of #2 
#5 return #3 in  1944 
#6 return #4 in  1945 
#7 return which is the  highest of #5 ,  #6