With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pan Am premiered on a network owned by Disney.
text_B: Internal migration in the People 's Republic of China is one of the most extensive in the world according to the International Labour Organization .. Internal migration. Internal migration. International Labour Organization. International Labour Organization. In fact , research done by Kam Wing Chan of the University of Washington suggests that `` In the 30 years since 1979 , China 's urban population has grown by about 440 million to 622 million in 2009 .. University of Washington. University of Washington. Of the 440 million increase , about 340 million was attributable to net migration and urban reclassification .. Even if only half of that increase was migration , the volume of rural-urban migration in such a short period is likely the largest in human history . ''. Migrants in China are commonly members of a floating population , which refers primarily to migrants in China without local household registration status through the Chinese Hukou system .. floating population. floating population. Hukou system. Hukou system. Hukou. Hukou system. In general , rural-urban migrant workers are most excluded from local educational resources , citywide social welfare programs and many jobs because of their lack of hukou status .. Migrant workers are not necessarily rural workers ; they can simply be people living in urban areas with rural household registration .. In 2015 a total of 277.5 million migrant workers -LRB- 36 % of the total workforce of 770 million -RRB- existed in China .. Out of these , migrant workers who left their hometown and worked in other provinces accounted for 158.63 million -LRB- an increase of 3.4 % compared to 2010 -RRB- and migrant workers who worked within their home provinces reached 94.15 million -LRB- an increase of 5.9 % compared to 2010 -RRB- .. The balance of gender for migrant workers was two-thirds male to one-third female in 2015 .. Estimations are that Chinese cities will face an influx of another 243 million migrants by 2025 , taking the urban population up to nearly 1 billion people .. This population of migrants would represent `` almost 40 percent of the total urban population , '' a number which is almost three times the current level .. While it is often difficult to collect accurate statistical data on migrant floating populations , the number of migrants is undoubtedly quite large .. `` In China 's largest cities , for instance , it is often quoted that at least one out of every five persons is a migrant . ''. China 's government influences the pattern of urbanization through the Hukou permanent residence registration system , land-sale policies , infrastructure investment and the incentives offered to local government officials .. Hukou. Hukou system. The other factors influencing migration of people from rural provincial areas to large cities are employment , education , business opportunities and higher standard of living .
not_related.