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: White Sketch Tracing Paper 18IN X 50YD Roll
Product description: Lightweight white sketching paper for quick roughs and preliminary drawings. Produces satisfactory diazo copies. 8 lb.
Product feature: Used by architects - designers and engineers, 18-inch-x-50-yard roll, Ideal for sketching - detail artwork - preliminary drawings, All purpose - lightweight - translucent sketching paper, White
Product price: $18.52
Product brand: Art Alternatives
Target attributes: Paper Type
Answer: attribute: paper type
value: tracing paper
source: product title