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: Meier Women's Strapless Lace Short Homecoming Mother of Bride Prom Dress
Product feature: Shipping Weight: 2 pounds, ASIN: B00MYBEYJG, Date first listed on Amazon: August 22, 2014, Average Customer Review: 5.0 out of 5 stars 2 customer reviews
Product brand: Meier
Target attributes: Neckline
Answer: attribute: neckline
value: strapless
source: product title