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: GUAYABERA MEN'S CUBAN WEDDING SHORT SLEEVE BUTTON-UP SHIRT-LIGHT BROWN-2XL
Product description: WESTLINE MEN'S GUAYABERA CUBAN MEXICAN BARTENDER CASUAL BUTTON UP SHIRT, MATERIAL:
Product feature: SHIRTS RUN SMALL, WE ADVISE THAT YOU ORDER ONE SIZE BIGGER FOR A BETTER RELAXED FIT. GUAYABERAS ARE WORN LOOSE AND SHOULD NOT BE FITTED AROUND YOUR BODY, GUAYABERAS SHORT SLEEVE SHIRTS GREAT FOR BEACH WEAR, WEDDINGS, BIRTHDAYS, CRUISES, EVENTS, FUNERALS, BAPTIZING, THEMED CELEBRATIONS ETC., SHORT SLEEVE GUAYABERAS WITH CLASSIC DESIGN WITH PAISLEY TONAL EMBROIDERY WITH 4 FRONT BUTTON POCKETS, FABRIC 65% POLYESTER 35% COTTON, HAND WASH IS RECOMENDED, OUR GUAYABERAS ARE VERY WELL PRICED, TRADITIONAL IN ITS DESIGN IN VARIETY OF COLORS, WE ALWAYS ADD NEW COLORS AND WE ARE CONFIDET THESE SHIRTS WILL BECOME A FIXTURE IN YOUR CLOSET SUGGESTED MSRP $49.99, Shipping Weight: 1 pounds, ASIN: B01DOU9HCO, Date first listed on Amazon: April 1, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: MAVYE
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: short sleeve
source: product feature
attribute: sleeve style
value: short sleeve
source: product title