With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ancient Chinese is harder to learn compared to South Korea's main language.
text_B: Martha Wangari Karua -LRB- -LSB- pronˈmɑːθə -RSB- -LSB- wænˈgɑːriː -RSB- -LSB- kəˈraʊ -RSB- -RRB- -LRB- born 1957 -RRB- is a Kenyan politician .. She is a former long-standing member of parliament for the Gichugu Constituency and an Advocate of the High Court of Kenya .. Gichugu Constituency. Gichugu Constituency. Kenya. Kenya. High Court of Kenya. High Court ( Kenya ). She was Minister of Justice until resigning from that position in April 2009 .. Minister of Justice. Minister of Justice ( Kenya ). Karua has consistently fought for the protection of women 's rights and improvements to the democratic process .
not_related.