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

Input:
Product title: Winterworm Soft Latex Real Touch Artificial Calla Lily Flower Bouquet For Bridal Wedding Bride Bouquet Vase Party Home Restaurant Decoration - Bunch of 12 (Green)
Product description: Latex artificial flowers are much better than silk artificial flower.Why? Because latex can restore the original shape, make artificial flowers more durable and tougher. The touch of it is like you are touching a real flower! With exquisite workmanship,imitating real flowersand leaves'lines,the calla lily are more lifelike. It can hold color longer and won't wilt,very easy to take care. You can use it as a decoration to make the place more vivid,like home,wedding,party,restaurant,office...very useful. Size: About 29cm/11.4inch high Package Include: 1*set of 12 calla lily artificial flower
Product feature: Beautiful artificial flower:calla lily,green petal,gradient design and yellow core, Made from latex,thick,very soft touch,like you are touching real flowers, Exquisite workmanship,imitating real flowers and leaves'lines,great quality, Fully wired stem to manipulate the shape.The whole set includes 12 calla lilies,9 green leaves, 4 colors for you to choose:green,orange,pink,white.The bouquet are already wrapped by a white ribbon.Perfect for wedding bouquet
Product price: $16.99
Product brand: Winterworm
Target attributes: Tree Variety
Answer: attribute: tree variety
value: None
source: None