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: Pure Android 4.0 Mazda Cx-5 2012 Car DVD GPS Player Navigation Stereo Radio Bluetooth Ipod 1gb RAM 4gb Nand Flash DVR 3g and Wifi
Product description: 1.OS: Pure Android 4.0 system 2.Support 3G and Wifi 3.RAM: 1gb Bytes NAND: 4G Bytes 4.Capacitive Screen 800*480 Multi-Touch Screen 5.CPU: ARM Cotex A10 GPS: Sirf V 6.3G Connection:WCDMA HSPA / CDMA EVDO via USB 7.External Interface: T-Flash up to 32GB 9.Inside HD DVR function: YES 10.Video Decoder: 1080 P HW 11.Car Audio: 4*45W Surround Stereo 12.Video: MP4,H.264,WMV,AVI,RM/RMVB,VOB etc. 13.Audio: MP3,WMA,WAV and more 14.Navigation: Google navigation & all other turn-by-turn navigation 15.Map Optional: IGO/ Google Map 16.Navigation from network: Call center & website 17.Games: Thousands from Google Market 18.Online Radio: Pandora,tunein and others 19.Online Music: Yes 20.SNS: Facebook,Twitter etc 21.Voics chatting: Talkbox and others 22.Web: Flash 23.Radio: FM/ AM RDS 24.Rearview Camera input: YES 25.Steering Wheel Control: YES 26.Size: 2din Standard 27.Language:Russian/ English/ German/ Spanish/Italy/ Turkish/ Hebrew/ Dutch/ French/ Italy etc
Product feature: Android 4.0.4 System Fast 3G and Wifi, CPU:Arm Cotext A10 RAM 1GB and 4GB Nand Flash, Capacitive and Multi-touch Screen <br>3D Rotating UI, Stylish and Cool UI, Can download any app from the android market and surf the internet with fast speed
Product brand: KaiChuang
Target attributes: Screen Size
Answer: attribute: screen size
value: None
source: None