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: adidas UCLA Bruins NCAA Sideline Climachill Polo Shirt - Blue
Product description: Perfect for casual day or the fairway, this officially licensed Climachill polo features the high density screen printed team logo on left chest and Adidas on the right chest, reflective buttons, heathered color body and shoulders, and a contrast color pop collar. Made of 100% moisture wicking polyester double knit, which helps with ventilation and moisture management while providing optimum comfort and performance.
Product feature: High density printed graphics, 100% polyester double knit, Made by Adidas, Climachill material, Officially licensed
Product price: $69.95
Product brand: adidas
Target attributes: Neckline
Answer: attribute: neckline
value: polo shirt
source: product title
attribute: neckline
value: polo
source: product description