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: IDIFU Women's Comfy Pointy Toe Wedge Flats Wide Width Slip On Shoes Black 7.5 B(M) US
Product feature: ASIN: B01CQSTOGE, Date first listed on Amazon: June 25, 2016, Average Customer Review: 1.0 out of 5 stars 1 customer review
Target attributes: Toe Style
Answer: attribute: toe style
value: pointy toe
source: product title