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: Converse Ct Ox Casual Shoes Size
Product description: Converse Ct Ox Casual Shoes Size
Product feature: Synthetic, Converse, Unisex, Casual Shoes, Grey/Gum, Product Dimensions: 11 x 4 x 7 inches, Shipping Weight: 3 pounds ( View shipping rates and policies ), ASIN: B07MRL61DL, Date first listed on Amazon: January 2, 2019, Average Customer Review: 3.4 out of 5 stars 17 customer reviews
Product price: $50.00 - $55.95
Target attributes: Type
Answer: attribute: type
value: shoes
source: product description
attribute: type
value: shoes
source: product title
attribute: type
value: shoes
source: product feature