Task: Explanation
Input (English): Rian Adkinson (born 22 March 1980) is a singer-songwriter/multi-instrumentalist from Atlanta, Georgia. During his career, Adkinson has been featured in Prog Magazine, Billboard Magazine, Free Times Columbia, Creative Loafing, Stomp and Stammer and more. Adkinson is a PRS endorsed artist and is known for using the S2 Mira Antique White and the S2 Custom 22 SH. Question: What is the American guitar manufacturer headquartered in Maryland founded in 1985 that endorsed Rian Adkinson? Answer: PRS Guitars
Output (English):  Adkinson is a PRS endorsed artist and is known for using the S2 Mira Antique White and the S2 Custom 22 SH.