With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: WeChat came out before Tencent.
text_B: Leighland Christian School is an independent , co-educational , non-denominational Christian School , situated in Tasmania , Australia .. Christian. Christian. Tasmania. Tasmania. Australia. Australia. independent. Independent school. co-educational. co-educational. non-denominational. non-denominational. Established in 1976 , the school has two campuses , one in Burnie and one in Ulverstone .. Ulverstone. Ulverstone, Tasmania. Burnie. Burnie, Tasmania. The Ulverstone campus caters for years K-12 , and the Burnie campus caters for years K-6 .. Ulverstone. Ulverstone, Tasmania. campus. campus. Burnie. Burnie, Tasmania
not_related.