With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gregor Clegane's younger brother is also known as The Hound.
text_B: Jimmy Eat World is a five-track EP released by Jimmy Eat World on December 14 , 1998 .. Jimmy Eat World. Jimmy Eat World. Extended Play. The CD contains three unreleased songs that the band recorded themselves and two songs from Clarity .. Clarity. Clarity ( Jimmy Eat World album )
not_related.