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: Looking Back by Albena Hristova Animal Horse White Contemporary Print Poster 24x36
Product description: Quality Art Print Direct From Publisher
Product feature: A Publishing House Authorized Open Edition Quality Print, We perform a quality assurance check on all our prints prior to packaging them for shipment., Image Size is 36x24, Overall Size is 36x24
Product price: $24.99
Product brand: Picture Peddler
Target attributes: Animal Theme
Answer: attribute: animal theme
value: horse
source: product title