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: Jewelry Trends Sterling Silver Amethyst Flower of Life Pendant on 18 Inch Box Chain Necklace
Product description: Crafted of fine .925 Sterling Silver, this pendant features a unique Flower of Life design accented with beautiful Amethyst gemstones. Pendant comes ready to wear on an 18 inch .925 Sterling Silver box chain that secures with a spring ring clasp. Complimentary gift box included with purchase. Peter Stone Jewelry Designs are exclusive and protected by Copyright Laws.
Product feature: Approximate Pendant dimensions: 28 mm wide x 32.3 mm long, Necklace dimensions: 1.0 mm wide x 18 inches long, Accented with round Amethyst gemstones that measure 3 mm wide x 3 mm long, This beautiful affordable Sterling Silver Jewelry makes a great holiday or birthday gift for your family and friends., Complimentary gift box included, You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition., Read the full returns policy, Go to Your Orders to start the return, Print the return shipping label, Ship it!, Shipping Weight: 3.04 ounces ( View shipping rates and policies ), ASIN: B00DTWGKT6, Item model number: TPD452AM, Date first listed on Amazon: June 5, 2013, Average Customer Review: 5.0 out of 5 stars 4 customer reviews
Product price: $73.99
Product brand: Jewelry Trends
Target attributes: Birth Month
Answer: attribute: birth month
value: amethyst
source: product title
attribute: birth month
value: amethyst
source: product description
attribute: birth month
value: amethyst
source: product feature