With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nepal borders China in the north.
text_B: Anthony -LRB- Tony -RRB- Steven Christiansen -LRB- born 23 October 1958 -RRB- is a motivational and inspirational speaker from New Zealand who lost his legs as a result of a train accident in his childhood .. inspirational speaker. inspirational speaker. He has challenged himself in numerous sporting and business areas , is the author of several best-selling books and has appeared in a number of TV documentaries .. In his presentations , Christiansen starts by climbing a 1.5-metre high scaffolding and exudes a strong presence .. His theme is self belief ; `` Your attitude determines your altitude in life '' .. He shares his life story and the secrets to his success and encourages his audience to set their own challenges , rather than accept the limitations imposed by their own attitudes and other people 's perception .
not_related.