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: Roland F-120-SB Digital Piano
Product description: SuperNATURAL Piano in a Contemporary Cabinet:The stylish F-120 is an ideal choice for piano lovers who want authentic sound and touch in a space-saving, contemporary cabinet, and at an affordable price. Roland's acclaimed SuperNATURAL Piano engine is onboard, providing the ultimate piano sound and response, and the Ivory Feel-G keyboard offers a supreme touch that looks and feels like a true grand. The F-120's minimalist aesthetic design will blend into any home interior, both classic and contemporary.
Product feature: SuperNATURAL Piano engine onboard. Ivory Feel-G keyboard for true piano feel and touch, Metronome, recorder, and Twin Piano features for lessons or side-by-side performance. Environment friendly; low power consumption and Auto Off function, Two classy finishes: Satin Black and White
Product brand: Roland
Target attributes: Type
Answer: attribute: type
value: digital piano
source: product title