Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: TroposAir Excalibur 60" Rubbed Bronze Ceiling Fan with Uplight
Product description: The large, bold appearance of the Excalibur 60 in. Rubbed Bronze ceiling fan is tempered by the intricate, yet substantial, scrollwork that encloses the illuminated housing and up light within, casting a soft accent light. The rich Rubbed Bronze finish makes this ornate Victorian model a noble statement in any decor. Its extra high performance motor provides excellent airflow.
Product feature: Airflow 7307 CF/M, Energy used 122.3-Watt, Efficiency 60 CF/M/W, 5-Reversable Curved Edge Blades in Walnut or Dark Walnut, Body of fan features intricate scrollwork with white scavo glass with back lighting, Lifetime limited warranty, 3-Speed Pull Chain and Reversable
Product brand: TroposAir by Dan's Fan City
Target attributes: Fan Size
Answer: attribute: fan size
value: 60 in.
source: product description
attribute: fan size
value: 60"
source: product title