Match the column -
`{:("Column I","Column II"),((A)." "RCNoverset("reduction")to,(P)" "1^(@)" Amine"),((B)." "RCNunderset((ii)H_(2)O)overset((i)CH_(3)MgBr)to,(Q)." Alcohol"),((C)." "RNCoverset("hydrolysis")to,(R)." Ketone"),((D)." "RNH_(2)overset(HNO_(2))to,(S)." Acid"):}`