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: Minibee Women's Plaid Round Neck Summer Dress Fit US XS-M
Product description: This is women's 2016 new fashion summer dress,plaid casual dress,mini sundress with pockets,very cozy and stylish, good gift for wife,daughter and girlfriend. One Size Length:97cm//38.2" Shoulder:37cm//14.6" Sleeve Cir:40cm//15.7" Bust:100cm//39.4" Waist:112cm//44.1"
Product feature: One Size:Bust:39.4",Shoulder:14.6",Waist:44.1",Length:38.2", Model Size:height:5.31ft(162cm),weight:99 pound(45kg), Summer Plaid Summer Dress, Midi Length Dress with Pockets, Suggest to Wash by Hand or Machine Wash Softly, Package Dimensions: 13 x 9.8 x 1 inches, Shipping Weight: 8.8 ounces, ASIN: B01DOTVWQ4, Item model number: MMB1091-Gray, Date first listed on Amazon: April 1, 2016, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product brand: Minibee
Target attributes: Pattern
Answer: attribute: pattern
value: plaid
source: product description
attribute: pattern
value: plaid
source: product title
attribute: pattern
value: plaid
source: product feature