Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: HTYS 2016 Women's Two Piece Prom Dress Long Sequins Chiffon Prom Gown HY099
Product description: If you have any question about how to measure your size, please contact us freely, and we are always at your service. Welcome to our shop HTYS, there are more options waiting for you! If you can not sure your right size according our size shart, you can send us your measurement details as list. 1.Full Bust _____ inch or ___ cm 2.Waist _____ inch or ___ cm 3.Hips _____ inch or ___ cm 4.Shoulder to Shoulder ____ inch or ___ cm 5.Waist to floor (Waist to Feet) ____ inch or ___ cm 6.Hollow to waist(Front Length Shoulder to Waist) _____ inch or ___ cm 7.Hollow to floor(Shoulder to Feet without in shoes) ___ inch or ___ cm 8.Height: _____inch or ___ cm 9.The height of your high heel shoes: _____inch or ___ cm 10.Phone Number______ 11.The date you need the dress_____ Accessories: The dress doesn't include any accessory, such as wedding veil,gloves, shawl, crown,etc.
Product feature: The color and size can be customized,please contact us, Fabric (Main Materials): Chiffon. Applique.Sequin., Notice:Please Select the Size According to Our Size Chart Image on the Top Left . Please Choose right style, size and color.For accurate measurements of Bust, Waist, Hips and Hollow to Floor., If you need a custom made size,you can send us your detail size: Bust, Waist, Hips and Hollow to Floor.(See Product Description list) , we are always at your service., If you have any question,please e-mail me feel free :) I will reply your e-mail within 8 hours., Shipping Weight: 3.31 pounds, ASIN: B01EWSH0AI, Item model number: HY099RYBL-US12, Date first listed on Amazon: April 28, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Htys
Target attributes: Length
Answer: attribute: length
value: gown
source: product title