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: Z2 5 Inch Dual SIM Unlocked GSM Octa-Core Android Smartphone Quad Band Android 4.4.2 1GB + 8GB 8MP Camera
Product description: Description: OS: Android 4.4.2 2G Network: GSM 850/900/1800/1900MHz 3G Network: WCDMA 2100 Note: (please contact with your Network Operator to make sure it's compatible with the device) 4G Network: No SIM: 1 x Micro SIM,1 x Regular SIIM CPU: MTK6592 8xARM Cortex-A7 @ 1.66GHz Octa Core High-Speed Processing Platform GPS: Yes, With GPS Supports Memory: 1GB RAM+ 8GB ROM (including 5.28GB internal storage, 0.98GB phone storage) Note: (Not all space are available for user. Because some space is used and hidden by the OS.) Support SD memory card up to 64GB Primary Camera: 8MP Front Camera: Yes,2MP Dimensions: 143mmx72mmx8.5mm Display: 5.0 inch IPS Resolution: 480x854 pixels Touch Screen: Multi-touch Capacitive FM Radio: Yes Bluetooth: Yes WIFI: Yes 3.5mm jack: Yes USB: Yes Alert types: Vibration, ringtones Messaging: SMS/MMS GPRS: Yes Browser: HTML Optional Languages: English and Russian langugage. Note: If you need any language other than English, please contact with us before placing order. otherwise, we will send the product with English firmware only. Optional Colors: Black, White Note: If you need specific color of the product, You must leave us a message. or we will ship randomly. Package Includes The Following: Cell Phone x 1 2680mAh Battery x 1 Charger x 1 USB Cable x 1 Earphone x 1
Product feature: 5'' inch Multi-touch Capacitive Screen. with 480x854 pixels resolution;, Dual SIM: 1 x micro sim, 1 x regular sim. Support 2G & 3G network;, Camera: 8MP, With GPS & Wifi & Bluetooth Supports;, With Android 4.4.2 system, Quad Core MTK6592 High-Speed Processing Platform;, 1GMB RAM + 8GB ROM(including 5.44GB internal storage, 0.98GB phone storage) Note: (Not all space are available for user. Because some space is used and hidden by the OS.)
Product brand: Other
Target attributes: RAM
Answer: attribute: ram
value: 1gb ram
source: product description