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: Gundam MSIA MSN-100 Hyaku-Shiki Extended Ver. Action Figure
Product description: Gundam MSIA MSN-100 Hyaku-Shiki Extended Ver. Action Figure
Product feature: MSN-100 Hyaku-Shiki, EXTENDED MS IN ACTION! Series, (C) SOTSU / SUNRISE, Japan Import, A Japanese BANDAI product. Gundam is a very popular character all over the world. To ensure the commitment to quality and responsiveness to the market, Gundam is currently conducted consistently in Japan from planning, development to production at "Bandai Hobby Center" in "Hobby's Town Shizuoka" .
Product price: $43.15
Product brand: Bandai
Target attributes: Theme
Answer: attribute: theme
value: None
source: None