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: Juicy Couture Baby Girls Infant Dark Grey Tunic with Black Leggings
Product feature: 87% Cotton/10% Rayon/3% Spandex, Imported, Machine Wash, Tunic, Leggings, Package Dimensions: 7.2 x 6.4 x 6 inches, Shipping Weight: 2.4 ounces, ASIN: B00ZIRFW8A, Item model number: 80600024-99, Date first listed on Amazon: September 21, 2015, Average Customer Review: 4.0 out of 5 stars 1 customer review
Target attributes: Style
Answer: attribute: style
value: tunic
source: product feature
attribute: style
value: tunic
source: product title