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: Forever Yoga 1 Womens Lightweight Wrap Around Sling Flat Sandals Grey
Product description: Lightweight, two-way stretch metallic knit upper featuring Yoga Sling for comfort
Product feature: Synthetic, Footbed made from real yoga mat, Yoga Sling, Light Weight, Fast Shipping, Lightly Cushioned Insole, Shipping Weight: 1 pounds ( View shipping rates and policies ), ASIN: B01F4D29OW, Date first listed on Amazon: May 3, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $15.99
Product brand: Forever
Target attributes: Type
Answer: attribute: type
value: sandals
source: product title