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: Tea Collection Little Boys' Long Sleeve Stripe Polo
Product description: Tea collection is known for soft, durable fabrics and globally inspired fashion. Twice each year tea's designers visit a new destination and then return to create original styles that encourage kids to explore the world across the street and across the globe. This year tea traveled to china.
Product feature: 100% Cotton, Imported, Machine Wash, Mount Mogan, or Moganshan, provides a green, wooded, cool-weather escape from scorching Shanghai summers. We liked it so much up there that we created this romper as a tribute., Classic polo collar with contrast inside binding for a pop of color, Package Dimensions: 10.2 x 7.7 x 1.2 inches, Shipping Weight: 4.8 ounces, ASIN: B00DRDISK6, Item model number: GHMC7135, Date first listed on Amazon: September 2, 2013, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: Tea Collection
Target attributes: Neckline
Answer: attribute: neckline
value: polo collar
source: product feature
attribute: neckline
value: classic polo
source: product feature
attribute: neckline
value: polo
source: product title