Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: TheMogan Women's Basic Short Sleeve V Neck Long T-Shirt-Charcoal-3XL
Product feature: Product Dimensions: 10 x 13 x 1 inches, Shipping Weight: 3.2 ounces, ASIN: B00TROAAVY, Item model number: XT1010VL_CGR_83X, Date first listed on Amazon: August 13, 2016, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: TheMogan
Target attributes: Neckline
Answer: attribute: neckline
value: v neck
source: product title