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: i.Trek Vehicle Suction Cup Mount and Bracket for Garmin Nuvi 50LM (Black)
Product description: This is a windshield suction cup mount for Garmin Nova 50 series. It includes the standard Garmin 17mm ball joint vehicle suction cup mount and a removable bracket holder for the Garmin Nova 50 and 50LM. It is easily removable so you can take it from car to car. Removable third party bracket is included for Garmin Nova 50 50LM
Product feature: Removable bracket holder is compatible with Garmin Nova 50 50LM, Removable bracket has Garmin 17mm ball socket and is compatible with other Garmin Nova mounting pedestals, Vehicle Windshield mount has Garmin 17mm ball joint and is compatible with other Garmin Nova brackets, Comparable to Garmin 010-11765-02 Nova 50 Mount
Product price: $6.51
Product brand: i.Trek
Target attributes: Mount Location
Answer: attribute: mount location
value: windshield
source: product feature
attribute: mount location
value: suction cup
source: product title