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: shelry Girls Santa Christmas Pajamas for Boys Cotton Clothes Kids Pjs Toddler Sleepwear Pants Set
Product description: The best gift for Christmas ! Top and bottom are made of 100% soft cotton. Your little one will sleep comfortable with this pajama set from us. You'll enjoy these cute and comfy PJs too! Machine wash warm or cold. Even after many washes,they could will still held the shape and color ! These sleepwear are snugly fitted sleepwear. If your child is above average,consider a bigger size because of the snug fit. We hope you enjoy these pajamas from our unique collection and welcome again !
Product feature: SOFT MATERIAL - Both the top and bottom are made from 100% high quality cotton material, super breathable and comfortable, COOL DESIGNS - Great Christmas Santa prints, these pajamas are a treat for any little guy,great gift for Christmas, MADE FOR COMFORT - Relaxed straight legs and stretchy waist ensure convenience and comfort, non-slip and painless, EASY CARE - Simply machine or hand wash with cold water and inside out for best results, SNUGLY FITTED DESIGN - For children's safety, garment should fit snugly, if your child is above average, consider one or two bigger size, Shipping Information: View shipping rates and policies, ASIN: B07HK2LQY9, Date first listed on Amazon: November 30, 2017, Average Customer Review: 4.4 out of 5 stars 148 customer reviews
Product price: $9.99 - $14.99
Product brand: shelry
Target attributes: Age Group
Answer: attribute: age group
value: toddler
source: product title
attribute: age group
value: 4
source: product feature