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: Classic Thai Silk Boxer Shorts - Gold Chinese Design Printed Boxers - Sizes XL
Product description: Thai Silk Boxer Shorts, Sizes XL This fabric is a synthetic silk, it is not derived from silk worm thread. Very comfortable wearing in many occasions. Easy wearing during day time at home, at dome, on the beach, or go out for shopping. Many people love to wear them as pajamas. If you're not completely satisfied with this Thai Silk pajamas set returns are accepted.
Product feature: **UNISEX** THIS SILK BOXER SIZE L FIT FOR 32 - 36 INCHES GOOD DESIGN, Elastic waist with button fly front panel., Neat Stitched, MEN'S LIGHT THAI SILK BOXER SHORTS UNDERWEAR, Comfortable and very popular among young boys & girls.
Product brand: amazingthailand
Target attributes: Silhouette
Answer: attribute: silhouette
value: boxer
source: product feature
attribute: silhouette
value: boxer shorts
source: product description
attribute: silhouette
value: boxers
source: product title
attribute: silhouette
value: boxer shorts
source: product feature
attribute: silhouette
value: boxer shorts
source: product title