Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: ANNA Cici-5 Women's almond toe crossing ankle straps rear zip closure chunky heel ankle boots
Product description: Modern style look will match any cold weather dress.
Product feature: Faux Leather, Faux Leather, manmade sole, Shaft measures approximately 4.25" from arch, Platform measures approximately 0.25", Heel: 2.75 inch, shaft: 4.25 inch, Shipping Information: View shipping rates and policies, ASIN: B00OQSPN3Q, Date first listed on Amazon: October 21, 2014, Average Customer Review: 3.4 out of 5 stars 3 customer reviews
Product price: $17.99 - $19.99
Product brand: ANNA
Target attributes: Heel Style
Answer: attribute: heel style
value: chunky heel
source: product title