Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: LG Electronics 34UC87M-B 34-Inch Screen LED-lit Monitor
Product description: LG Electronics 34UC87M-B 34 inch Widescreen 1,000:1 5ms HDMI/ Thunderbolt/ DisplayPort/USB3.0 LED LCD Monitor, w/ Speakers (Black)
Product feature: Display Area: 34", Single 21:9 Curved Display, 4-Screen Split Feature, Large On- Screen Viewing, Multiple Display Solutions, Mounting type: VESA Standard Mount Interface 100mm x 100mm
Product brand: LG
Target attributes: Display Type
Answer: attribute: display type
value: led lcd
source: product description
attribute: display type
value: led
source: product title