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: Funko POP! Television: The Walking Dead Series 4 Woodbury Walker Action Figure
Product description: Straight out of The Walking Dead TV show on AMC comes an excellent rendition of a Woodbury Walker! The site of The Governor's community in the show, Woodbury was also host to a number of threatening walkers, including this one. Standing 3 3/4-inches tall, The Walking Dead Woodbury Walker Pop! Vinyl Figure is one item fans of the AMC TV series won't want to miss out on! Funko POP! Figures sometimes show minor paint variations from the manufacturer. Funko does not consider these as defects and as such, they may not be returned due to flaws in the paint., Another series of Walking Dead POP. from Funko. Check out this Woodbury Walker Vinyl Figure from AMC's hit TV show The Walking Dead.
Product feature: One of five figures in the new series, Check out the other Walking Dead Series 4 POP; Vinyl Figures from Funko, Stands 3.75 Inch tall
Product brand: FunKo
Target attributes: Theme
Answer: attribute: theme
value: None
source: None