Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Panasonic VIERA U1 Series TC-P50U1 50-Inch 1080p Plasma HDTV
Product description: 50" Plasma, 1080p, 3 HDMI, Native contrast ratio 30,000:1, Infinite Black Dynamic contrast, 600 Hz Subfield Drive, Manufacturer's Description (April 23, 2009) Panasonic's new U1 Series Plasma HDTVs are ideal for sports and movies, with crisp, focused images during fast-moving scenes. With 1080p Full-HD resolution, a multitude of connectivity options, and the convenience of Panasonic's VIERA Link and Image Viewer, the 50-inch TC-P50U1 is a perfect plasma for those looking to break into the benefits of HDTV in style., Panasonic's new U1 Series Plasma HDTVs are ideal for sports and movies, with crisp, focused images during fast-moving scenes. Click to enlarge or view inputs., The VIERA Difference Panasonic VIERA TVs combine high picture quality, smart networking, environmental friendliness, and stylish design. The U1 series features:, Stunning Picture Quality Time spent with family and friends can be even more exciting when you gather around the 50-inch TC-P50U1. 1080p resolution combines with a 480 Hz processor to bring you exceptional clarity and smooth, fluid motion--even during high-speed action. VIERA HDTVs offer incredible black reproduction, with a rated dynamic contrast ratio of up to 2,000,000:1, so you'll get warm, accurate skin tones, gorgeous greens, breathtaking blues and vivid reds. And now, all of your friends and family can get in on the action thanks to an extra-wide viewing angle that provides an excellent view from almost anywhere in the room., The advanced AR filter keeps images sharp, with minimal glare., View breathtaking images with rich, vivid colors from anywhere in the room., 600Hz Sub-field Drive gives you even greater clarity with motion images., Wide Color Viewing Angle View breathtaking images with rich, vivid colors from anywhere in the room. Because plasma TVs are self-illuminating, images look beautiful from any angle. Black areas do not fade, and colors look virtually the same no matter where you sit., 600Hz Sub-field Drive 600Hz technology lets you view superb full-HD motion and still images with 1,080 lines of resolution. For even greater clarity with motion images, Panasonic uses its own unique image-analysis technology. This technology converts the motion in each scene into data. And each frame is practically displayed for a shorter length of time than in previous systems, to reduce aftereffects., Over 2,000,000:1 High Contrast (Native 30,000:1) New VIERA models incorporate an improved panel production process and the new Real Black Drive system. A pre-discharge control system, the Real Black Drive system achieves next-generation black reproduction. When you're watching movies, VIERA renders images just the way the director intended, even in scenes where it's difficult to achieve a proper balance of light and dark., AR Filter This advanced filter keeps images sharp, with minimal glare. While dramatically reducing reflections from external light, it helps to produce clear images. This filter creates pure, crisp images in a wide range of colors., VIERA Image Viewer VIERA Image Viewer makes it easy to watch full-HD images by using the SD card slot. It lets you enjoy high-resolution, full-HD photos and videos with superb image quality and vivid colors on VIERA's large screen. Simply insert an SD card into the SD card slot to show your photos and full-HD videos on the large screen!, With VIERA Image Viewer, simply insert an SD card into VIERA to display photos and full-HD videos on the large screen., Network Your AV Devices, Quickly and Easily With VIERA Link, you can control your compatible Panasonic DVD recorder, Blu-ray Disc player, home theater sound system and HD camcorder, all with a single remote and helpful on-screen menus. VIERA Link is a function that lets you easily operate various AV devices that are interconnected with your VIERA TV, using only the VIERA remote control. You can choose the connection method--either an HDMI cable or a LAN cable--to match your devices and applications. You don't have to keep switching remotes to operate each device, so there's no more hassle and operation is easier than ever. Networking your devices with VIERA Link adds both convenience and fun to AV entertainment., Exceptional Service With its lead-free construction, TUF DISPLAY screen, and long lifespan, a VIERA HDTV is a safe,durable and lasting investment in high definition entertainment. Of course, should your VIERA TV ever need service of any kind, you are entitled to the VIERA Concierge program--a free service made available to all VIERA owners to bring peace-of-mind to your purchase.Benefits of this extensive service program include:use of an exclusive toll-free expert hot line,live chat with a VIERA HDTV expert,priority service scheduling and a personalized VIERA Concierge benefits card., What's in the Box Panasonic VIERA U1 Series TC-P50U1 50-Inch 1080p Plasma HDTV, Remote control, Remote batteries, AC cord, Pedestal with installation hardware, Cleaning cloth, Operating instructions, Quick setup guide
Product feature: 50-inch plasma HDTV with full 1080p HD resolution, Three HDMI inputs, 600Hz Sub-field Drive produces crisp, focused images for sports, dramatic action, and all other fast-moving scenes, VIERA Image Viewer lets you share your digital photos with friends and family directly from SD cards, VIERA Link to control Panasonic DVD recorder, Blu-ray Disc player, home theater system and HD camcorder, with a single remote and on-screen menus
Product brand: Panasonic
Target attributes: Display Type
Answer: attribute: display type
value: plasma
source: product description
attribute: display type
value: plasma
source: product title
attribute: display type
value: plasma
source: product feature