Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: TOPS Spiral Steno Notebook, Gregg Rule, 6 x 9 Inches, Canary, 100 Sheets per Pad (63851)
Product description: TOPS Docket Steno Books have extra-strong backs for firm writing support. The classic flip-top format long preferred by stenographers and reporters gives quick access to notes and lists. The 6" x 9" size tucks easily into any backpack or bag. A no-snag coil resists catching on papers or clothing. Perforated sheets detach easily. Proudly made in the USA. Green cover, canary paper. Gregg ruled, 100 sheets., Steno book features a distinctive forest green cover and is great for note-taking when away from desk. The 60 point, rigid chipboard backer provides extra writing support and durability. Coil-lock on wire binding prevents snags on clothing and scratches on desktops. Top binding is ideal for both right-handed and left-handed writers. Letr-Trim perforations provide a clean, clear tear-out every time. Steno book contains 100 sheets of Gregg-ruled, 15 lb. canary paper that is easy on the eyes.
Product feature: 16 lb. tablet paper, Rigid, 60 point chipboard backer, Letr-Trim perforated, Heavy 60-pt. forest green cover., Top-wire binding., Letr-Trim perforations for clean removal., 100 sheets per pad, Size: 6" x 9" inch
Product price: $9.24
Product brand: Tops
Target attributes: Guest Book Type
Answer: attribute: guest book type
value: None
source: None