Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Under Armour Boys' Titan Fleece Shorts
Product description: Ultra-soft, mid-weight cotton-blend fleece with brushed interior for extra warmth. Signature Moisture Transport System wicks sweat so it dries faster than ordinary cotton. Lightweight stretch construction improves mobility for full range of motion. Ribbed elastic waistband with external drawcord. Front hand pockets. Inseam: YMD 8.5 (+/- 1" per size).
Product feature: 100% Other Fibers, Imported, Loose: Fuller cut for complete comfort, Ultra-soft, mid-weight cotton-blend fleece with brushed interior for extra warmth, Signature Moisture Transport System wicks sweat so it dries faster than ordinary cotton, Lightweight stretch construction improves mobility for full range of motion, Ribbed elastic waistband with external drawcord
Product price: $34.99 - $40.07
Product brand: Under Armour
Target attributes: Active Style
Answer: attribute: active style
value: None
source: None