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

Input:
Product title: Sovereign Manufacturing Co Men's Big and Tall Predator Camo Mock Turtleneck Shirt
Product description: 97% POLY / 3% LYCRA Mock Turtleneck Made in The USA By Sovereign Manufacturing Company
Product feature: 97% POLY / 3% LYCRA, Made in USA, All sizes from Small to 14XB and Small Tall to 12XLT on all sizes, ASIN: B015ND3K78, Item model number: 8710PRED-4XLT, Date first listed on Amazon: September 21, 2015, Average Customer Review: 5.0 out of 5 stars 2 customer reviews
Product brand: Sovereign Manufacturing Co
Target attributes: Neckline
Answer: attribute: neckline
value: mock turtleneck
source: product title
attribute: neckline
value: mock turtleneck
source: product description