Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Thomas the Tank Engine "True Blue" Red Cotton Shirt - Toddler
Product description: Come ride the rails with everyone's favorite train, Thomas! This unique Thomas & Friends toddler boys tee shirt is tailored in a patchwork manner for a "homespun" look. No two shirts are exactly alike! Constructed from a soft cotton blend, this quality toddler boys tee features short sleeves with a "layered" appearance, ribbed-knit collar, and double-needle stitched hems. Best of all, this Thomas & Friends shirt features the image of Thomas constructed from patches of fabric for a very original look!
Product feature: Thomas the Train short-sleeve shirt; toddler sizes, Blue body and sleeves; striped blue and white layer sewn underneath sleeves for a layered look, Large Thomas image made of textured fabric appliques with raw edge for a "homespun" look, Vivid colors; soft brushed jersey, 60% cotton, 40% polyester, Machine washable; great gift for a Thomas fan, Package Dimensions: 12.6 x 7.8 x 0.7 inches, Shipping Weight: 4 ounces, ASIN: B003A1JZGG, Date first listed on Amazon: February 26, 2010, Average Customer Review: 4.1 out of 5 stars 13 customer reviews
Product brand: Thomas & Friends
Target attributes: Age Group
Answer: attribute: age group
value: toddler
source: product description
attribute: age group
value: 4
source: product feature
attribute: age group
value: toddler
source: product title
attribute: age group
value: toddler
source: product feature