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: Babe Women`s Dress Shoe Flats, Chain Design
Product description: babe Women`s Dress Black Flats Chain Design
Product feature: fabric-and-leather, Dress shoe fits for all your occassions, Chain Designed for style, Made in China, Package Dimensions: 11.1 x 3.9 x 3.7 inches, Shipping Weight: 15.2 ounces, ASIN: B013PW1RFG, Date first listed on Amazon: August 10, 2015, Average Customer Review: 4.4 out of 5 stars 3 customer reviews
Product brand: Babe
Target attributes: Style
Answer: attribute: style
value: dress shoe
source: product title
attribute: style
value: dress shoe
source: product feature