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: Barney BJ Yellow Dino Plush Soft Toy - Premium Collector's Edition (6.5 Inch)
Product description: BJ is a 7-year-old yellow male Protoceratops who has been on the show since Season 2. He is the older brother of Baby Bop, whom he frequently calls "Sissy", though on rare occasions, he does call her by name. His theme song is none other than "BJ's Song". He wears a red baseball cap on his head and red sneakers on his feet. This Barney plush will melt your hearts. It is very well made; different parts of the plush is stitched differently to provide a quality feel. There are more than 7 different stitching and color on the plush. As mentioned above, this is for Barney fans, even adults. Licensed Barney Product
Product feature: 100% Polyester, Everyone's favorite yellow dinosaur! Beautifully made high quality Barney Plush, This is not a badly made plush for kids, even adults will love it. It's more of a collector's item. Check out the dino dots on the back of Barney!, The mouth, stomach design, design on the feet are all woven on. There's even a small amount of beans in the inside bottom to ensure this plush is able to sit upright., 6.5 inches in height. Some buyers may find it small, but this is a collector's item. High quality stitching. Different parts of the plush is stitched differently to provide a quality feel., Surface washable only. 100% Polyester.
Product price: $34.99
Product brand: Barney
Target attributes: Form
Answer: attribute: form
value: dinosaur
source: product feature
attribute: form
value: dino
source: product feature
attribute: form
value: dino
source: product title