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: G2 Chic Women's Sleeveless Two-Tone Button Down Romper
Product description: This classy chic two tone colored romper features a sleeveless design with a classic collar and buttons down center front. Woven, relaxed fit silhouette.
Product feature: 50% POLYESTER 50% RAYON, Sleeveless. Two-tone colored. Collar. Buttons. Woven. Relaxed fit., A sleeveless style two tone colored woven short romper featuring the classic collar and buttons down center front., A classy chic romper perfect for the day time. Trendy two-tone colored for the spring and summer weather. Pairs up well with most accessories and looks., This classy chic two tone colored romper features a sleeveless design with a classic collar and buttons down center front. Woven, relaxed fit silhouette., Package Dimensions: 6.5 x 6.2 x 3 inches, Shipping Weight: 8 ounces, ASIN: B00JKUZJFC, Date first listed on Amazon: November 30, 2011, Average Customer Review: 3.0 out of 5 stars 1 customer review
Product brand: G2 Chic
Target attributes: Style
Answer: attribute: style
value: romper
source: product title
attribute: style
value: romper
source: product feature
attribute: style
value: romper
source: product description