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: PERSUN Women's Cute Short Sleeve T-Shirts Loose Summer Crop Top
Product feature: Design: Cat embroidery, Cat Of Alice's Adventures Print, Kitty Cactus Watermelon Strawberry Milk Print, Succulent tshirts, Lightweight basic tees, short sleeve summer top blouse with a little strechy, Suit for women,juniors and Teen girls, fashion and comfortable, easy to match, Onesize for US 4-12 but not for all, so please check the size chart in description, You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition., Read the full returns policy, Go to Your Orders to start the return, Print the return shipping label, Ship it!, Shipping Information: View shipping rates and policies, ASIN: B07DWTHPKQ, Date first listed on Amazon: June 20, 2018, Average Customer Review: 4.1 out of 5 stars 356 customer reviews
Product price: $8.99
Product brand: PERSUN
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: short sleeve
source: product feature
attribute: sleeve style
value: short sleeve
source: product title