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: LG KP500 Cookie Unlocked Phone with Camera (Pink)-International Version with No Warranty
Product description: LG cookie; kp500; Quad band; Bluetooth with A2dp; 3 mega pixel camera; TFT resistive touchscreen; Accelerometer sensor for auto-rotate; Handwriting recognition; Speaker phone; MicroSD card slot upto 16 GB; Edge; Video Record; MP3/WMA/AAC player; MP4 video player; Document viewer (Word, Excel, PowerPoint, PDF); Voice memo; T9; Battery Stand-by 350 hours; Battery Talk time up to 3 hrs 30 mins
Product feature: Touch Screen, quad band, 3.15 mp camera, up to 16 gig card capacity, mp4 player, This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.
Product brand: LG
Target attributes: Screen Size
Answer: attribute: screen size
value: None
source: None