Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Batman DC Comics Distressed Shield Juniors V-Neck T-Shirt Tee
Product description: The design depicted is only printed on the front of the t-shirt. There is no design on the back of the t-shirt. This t-shirt is hand-made and unique, using high quality 100% cotton. This graphic print design is printed only on the front of the shirt. Image is for clarity. Due to different computer monitors/calibrations, colors may vary from the picture.
Product feature: Brand New Item, Batman DC Comics Distressed Shield Juniors V-Neck T-Shirt Tee, Officially Licensed, Color: Gray, Material: 100% Cotton, Shipping Weight: 7 ounces ( View shipping rates and policies ), ASIN: B01I5U4DAO, Date first listed on Amazon: April 15, 2014, Average Customer Review: 1.0 out of 5 stars 1 customer review
Product price: $14.95 - $17.91
Product brand: Batman
Target attributes: Neckline
Answer: attribute: neckline
value: v-neck
source: product title
attribute: neckline
value: v-neck
source: product feature