With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mark Burg is Slovenian.
text_B: The New Red Sandstone is a chiefly British geological term for the beds of red sandstone and associated rocks laid down throughout the Permian -LRB- 280 million years ago -RRB- to the end of the Triassic -LRB- about 200 million years ago -RRB- that underlie the Jurassic Lias ; the term distinguishes it from the Old Red Sandstone which is largely Devonian in age .. Sandstone. Sandstone. Permian. Permian. Triassic. Triassic. British. United Kingdom. geological. geology. sandstone. sandstone. Jurassic. Jurassic. Lias. Lias Group. Old Red Sandstone. Old Red Sandstone. Devonian. Devonian. Its upper layers consist of mudstones , but most of the formation consists of reddish sandstones , interbedded with rare evaporite minerals such as halite and gypsum ; these indicate deposition within a hot and arid palaeo-environment e.g. a desert or sabkha .. evaporite. evaporite. halite. halite. gypsum. gypsum. sabkha. sabkha
not_related.