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: Pink Roundneck Stephen F. Austin State University T Shirts For Honey Size XL
Product feature: ASIN: B00ZUFBHOI, Date first listed on Amazon: June 17, 2015, Average Customer Review: 1.0 out of 5 stars 1 customer review
Product brand: Lyvia
Target attributes: Neckline
Answer: attribute: neckline
value: roundneck
source: product title