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

Input:
Product title: Johnson JG-620-CEBL 620 Player Series Cutaway Acoustic Electric Guitar, Blueburst
Product description: This guitar has all the same great features of our 620 Player Dreadnoughts, plus a cutaway shape, allowing players better access to the upper range of the fretboard. It is available with an under-saddle transducer pickup and a 4-band EQ preamp for dialing in that perfect sound.
Product feature: Spruce Top, White Wood Back and Sides, Nato Neck, Die-Cast Tuning Machines, Cutaway with Fishman EQ Pickup
Product brand: Johnson
Target attributes: Ukulele Type
Answer: attribute: ukulele type
value: None
source: None