Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Hill's Prescription Diet c/d Multicare Bladder Health - Seafood Cat Food (24 5.5-oz cans)
Product description: Hill's Prescription Diet c/d Multicare Feline is a complete and balanced food that provides all the nutrition cats need for proper bladder health. Please consult your veterinarian for further information on how our Prescription Diet pet foods can help your cat to continue to enjoy a happy, healthy and active life.
Product feature: Controlled levels of calcium, magnesium, phosphorus and oxalate to help limit the building blocks of crystals and bladder stones, Rich in fish oil - an excellent source of Omega-3 fatty acids - to help promote healthy skin and a shiny coat, Added potassium citrate to help interrupt bladder stone formation, Increased levels of vitamin B6 to help decrease oxalate formation, low sodium to maintain normal blood pressure
Product price: $72.00
Product brand: Hill's Pet Nutrition
Target attributes: Life Stage
Answer: attribute: life stage
value: None
source: None