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: Dreamworks How to Train Your Dragon 2, Viking Warriors Action Figures, Astrid and Hiccup
Product description: Have fun with these adventurous Vikings, From Dreamworks' highly successful How To Train Your Dragon and Dragons: Defenders of Berk, comes an exclusive line of toys featuring characters and weapons directly from the world of Dragons.
Product feature: Relive all the magic of DreamWorks Dragons with this exciting line of toys!, Find your favorite dragon and soar into battle!, Recreate epic scenes from the movie and the TV show with Toothless and Hiccup!, DreamWorks Dragons is for dragon trainers 4+, 1 Dreamworks Dragons
Product price: $74.99
Product brand: Dreamworks Dragons
Target attributes: Minimum Age
Answer: attribute: minimum age
value: None
source: None