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: Malden Home Profiles HP3014-70 Family Metal Collage Picture Frame
Product description: A fashion metal frame with seven openings
Product feature: 7 opening frame, Recommended for 4x6 pictures, Metal wall frame, A snap shot for a moment are memories forever, Capture those special moments
Product brand: Malden
Target attributes: Style
Answer: attribute: style
value: collage
source: product title
attribute: style
value: openings
source: product description