Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: 3drose Nothing Is Impossible The Word Itself Says Im Possible, Magic Transforming Mug, 11-Oz
Product description: Nothing is impossible, the word itself says 'I'm possible'!, Audrey Hepburn Mug is available in both 11 oz. and 15 oz. Why drink out of an ordinary mug when a custom printed mug is so much cooler? This ceramic mug is lead free, microwave safe and FDA approved. Image is printed on both sides. Hand washing is recommended.
Product feature: Fill with hot liquid to transform from black to white, magically revealing image, White ceramic mug with black outer surface; image printed on both sides, Available in 11oz only; A fun and unique way to enjoy your favorite hot beverage, A perfect gift for any occasion; Fascinate them every time by revealing a secret or surprise image, Microwave-safe, hand-wash to preserve image
Product price: $12.14
Product brand: 3dRose
Target attributes: Material
Answer: attribute: material
value: ceramic
source: product feature
attribute: material
value: ceramic
source: product description