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: Men Casual Pants Harem Baggy Jogging Hip Hop Dance Sport Trousers (US S(TAG L), grey)
Product feature: 100% Brand New and High Quality!!, Material: Cotton Blend, US Size:XS/S/M/L, Style: Casual Pants, Item Package :1 X Pant (The accessories is not included), ASIN: B00MGEQCN2, Date first listed on Amazon: August 6, 2014, Average Customer Review: 3.1 out of 5 stars 2 customer reviews
Product brand: ACEFAST INC
Target attributes: Leg Style
Answer: attribute: leg style
value: None
source: None