Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: ESP LTD EX50 Electric Guitar, Black
Product description: The ESP LTD Standard EX50 is an aggressively-styled guitar with a large, resonant body and hot ESP LH-150 humbuckers for a tone that's as big as it looks! The EX50 is another easy-playing ESP with 22 extra jumbo frets on a rosewood fingerboard. ESP has spent years perfecting radical designs like this and now they're able to offer them at downright sick prices. Other features include a basswood body, a rock solid Tune-o-matic bridge with a stop tailpiece and black nickel hardware.
Product feature: The EX50 BLK has a Basswood Body with a Maple Neck and a Rosewood Fingerboard, This guitar comes equipped with a TOM Bridge & Tailpiece and LTD Tuners, It has a Bolt-On Neck Construction and a 24.75" Scale with 22 Extra Jumbo Frets and a Thin-U Neck Contour, The pickups are passive ESP Designed LH-150 (B/N), The controls are Vol/Tone with a Toggle Switch, Hardshell Case Model: CEXFF Sold Separately, Nut Width: 42mm, Nut Type: Molded, Neck Contour: Thin U, Frets/Type: 22 XJ, Hardware Color: Chrome, Strap Button: Standard, Tuners: LTD, Bridge: TOM Bridge & Tailpiece, Neck PU: ESP Designed LH-150N, Bridge PU: ESP Designed LH-150B, Electronics: Passive, Electronics Layout: Vol/Tone/Toggle Switch, Case: CEXFF, Case Included: No, Construction: Bolt-On-Neck, Scale: 24.75", Body: Basswood, Neck: Maple, Fingerboard: Rosewood, Fingerboard Radius: 350mm, Finish: Black
Product brand: ESP Guitars
Target attributes: Guitar Type
Answer: attribute: guitar type
value: electric guitar
source: product title