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: UNLOCKED TOUCH SCREEN DUAL SIM FM QUAD BAND GSM CELL PHONE iPRO Q70 WHITE
Product description: Touch screen phone 2G NETWORK, QUAD BAND: GSM 850/900/1800/1900MHz, Dual SIM, Dual standby, FM/MP3/MP4 player support, Bluetooth function supported, Bluetooth A2DP, Screen size: 2.8 inch, Screen resolution: 320 x 240 (QVGA), Support micro SD up to 4 GB, Back camera: 1.3 MP, Video recording: Yes, Analog TV supported * THE TV DOESN'T WORK USA*, Storage: Internal memory: 45KB, Supported Media Formats, Picture format: JPEG, GIF, BMP, PNG, Video format: AVI, MP4, 3GP, Music format: MP3, ACC, AMR, Support GPRS, Support internet WAP 2.0, Messaging SMS, MMS, Languages: English, Spanish, German, Italian, Portuguese, Dimensions: 104 x 55 x 12 mm.
Product feature: 2G NETWORK QUAD BAND GSM: 850/900/1800/1900MHz, Dual SIM, Dual standby, Screen size: 2.8 inch, FM/MP3/MP4 player support, Support internet WAP 2.0, Bluetooth function supported, Messaging SMS, MMS, APPS: Facebook, MSN, Yahoo, Twitter, Ebuddy, Touch screen
Product brand: iPro
Target attributes: Front Camera Resolution
Answer: attribute: front camera resolution
value: None
source: None