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: Usmc Marine Combat Tent Military Issue
Product description: two man Tent, US military issue, complete . Excellent for camping, outings and general use
Product feature: US military tent made in USA, Waterproof rain fly, Quick assembly, 2 man combat tent
Product brand: Eureka
Target attributes: Center Height
Answer: attribute: center height
value: None
source: None