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: Panasonic TC-17LA1 17" LCD Flat-Panel EDTV TV (Silver)
Product description: Make every TV-viewing moment count, even if you're catching the news in the kitchen or watching a classic film in bed. This 14" LCD flat panel EDTV monitor from Panasonic features a built-in analog TV tuner that continuously monitors signal conditions to maintain optimum picture contrast and brightness. The 4:3 aspect ratio makes it perfect for DTV decoders and progressive scan DVD players. The Progressive Cinema Scan (3:2 pulldown) compensates for motion artifacts in film-based video sources. The high-quality, built-in stereo speakers and 3D digital comb filter offer simulated surround sound. View larger image for cable hook-up guidelines. Imported. Total dimensions: 2-1/2Lx16-7/10Wx16-2/5H". Weight: 13-1/2 lbs.
Product feature: 4:3 Aspect Ratio, Aspect Control, 400:1 Contrast Ratio, 60 degree Viewing Angle, New LCD AI
Product brand: Panasonic
Target attributes: Sony Technology Line
Answer: attribute: sony technology line
value: None
source: None