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: Easy Street Womens Rio Dress Sandals-12 Metallic Multi
Product description: When you think Rio you think of summer, style, and fun. The Rio by Easy Street is a sleek heel sandal that encapsulates all of these components. The Rio features knot strap detailing and a kitten heel., Shoes & Sandals,Women's Shoes,Women's Sandals,Dress Sandals
Product feature: Package Dimensions: 12.1 x 6.7 x 4.1 inches, Shipping Weight: 1.7 pounds, ASIN: B00NTN1FK4, Date first listed on Amazon: April 21, 2015, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Easy Street
Target attributes: Type
Answer: attribute: type
value: sandals
source: product title
attribute: type
value: sandals
source: product description
attribute: type
value: sandal
source: product description