With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Albus Dumbledore worked as the man in charge of a school
text_B: The International Coalition for Trachoma Control -LRB- ICTC -RRB- is a non-profit organization that was established in 2004 for the purpose of contributing to the global effort to eliminate blinding trachoma and to advocate and implement the SAFE strategy .. trachoma. trachoma. Trachoma. Trachoma. The SAFE strategy is endorsed by the World Health Organization -LRB- WHO -RRB- .. World Health Organization. World Health Organization. The ICTC website has maps that show where SAFE -- Surgery , Antibiotics , Facial cleanliness and Environmental improvement -- is being implemented .. The maps are free to use and download .. The ICTC currently has about 20 members who are engaged in the effort to eliminate blinding trachoma by 2020 .. trachoma. trachoma. There are also a number of observer organizations , such as The Bill & Melinda Gates Foundation , USAID , the US Fund for UNICEF , and the World Health Organization .. World Health Organization. World Health Organization. Bill & Melinda Gates Foundation. Bill & Melinda Gates Foundation. USAID. USAID. Global Strategic Plan 2020 INSight  : The end in sight. The ICTC 's INSight global strategic plan lays out the current trachoma situation , and what needs to be done to achieve elimination of blinding trachoma by 2020 .. trachoma. trachoma. What is Trachoma ?. Trachoma. Trachoma. Trachoma is caused by the bacterium Chlamydia trachomatis , which spreads through contact with an infected person .. Trachoma. Trachoma. Chlamydia trachomatis. Chlamydia trachomatis. Untreated , repeated trachoma infections make the eyelashes turn inward , scratching the cornea .. trachoma. trachoma. This causes excruciating pain .. Although children are the most susceptible to infection , the effects are often not felt until adulthood .. Women , traditionally the caretakers of the home , are twice as likely as men to have the advanced stage of the disease , called trichiasis .. trichiasis. trichiasis. An estimate 320 million people , mostly women and children , live in areas where they can be exposed to trachoma , a neglected tropical disease .. trachoma. trachoma
not_related.