With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Beatles started in 1960.
text_B: Mukdahan -LRB- มกดาหาร , -LSB- muk.daː.haːn -RSB- -RRB- is one of the northeastern provinces -LRB- changwat -RRB- of Thailand .. northeastern. Isan. provinces. Provinces of Thailand. Thailand. Thailand. Neighboring provinces are -LRB- from south clockwise -RRB- Amnat Charoen , Yasothon , Roi Et , Kalasin , Sakon Nakhon , and Nakhon Phanom .. provinces. Provinces of Thailand. Amnat Charoen. Amnat Charoen Province. Yasothon. Yasothon Province. Roi Et. Roi Et Province. Kalasin. Kalasin Province. Sakon Nakhon. Sakon Nakhon Province. Nakhon Phanom. Nakhon Phanom Province. To the east it borders the Mekong River , across which lies Savannakhet Province of Laos .. Province. Provinces of Thailand. Mekong River. Mekong River. Savannakhet Province. Savannakhet Province. Laos. Laos
not_related.