Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Superpet (Pets International) SSR100079421 12-Pack Critter Canteen Water Bottle Display, 8-Ounce
Product description: Superpet display box with critter canteen water bottles. Heavy duty plastic bottle with stainless steel string loaded sipper tube to provide drip resistant operation. Provides fresh clean water anytime, all the time. Hanging wire included with each bottle. Easy to display box for shelf display. Ideal for hamsters, gerbils and pet mice. Comes in 8-ounce capacity. Includes 12 water bottles per pack. Measures 5-3/5-inch length and 2-inch diameter. 8-3/4-inch long sipper tube attached.
Product feature: Display box with critter canteen water bottles, Heavy duty plastic bottle with stainless steel string loaded sipper tube to provide drip resistant operation, Provides fresh clean water anytime, all the time, Ideal for hamsters, gerbils and pet mice, Comes in 8-ounce capacity
Product price: $35.01
Product brand: Superpet (Pets International)
Target attributes: Pet
Answer: attribute: pet
value: hamsters
source: product description
attribute: pet
value: bottle
source: product feature
attribute: pet
value: hamsters
source: product feature
attribute: pet
value: bottle
source: product title
attribute: pet
value: bottles
source: product feature