Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
One species in particular received widespread attentionthe whooping crane. The species' historical range extended from central Canada South to Mexico, and from Utah to the Atlantic coast. Unregulated hunting and habitat loss contributed to a steady decline in the whooping crane population until, by 1890, it had disappeared from its primary breeding range in the north central United States. It would be another eight years before the first national law regulating wildlife commerce was signed, and another two years before the first version of the endangered species act was passed. The whooping crane population by 1941 was estimated at about only 16 birds still in the wild.
How many whooping cranes were there in 1890?
A: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Minority leaders may engage in numerous activities to publicize their party's priorities and to criticize the opposition's. For instance, to keep their party colleagues "on message," they insure that partisan colleagues are sent packets of suggested press releases or "talking points" for constituent meetings in their districts; they help to organize "town meetings" in Members' districts around the country to publicize the party's agenda or a specific priority, such as health care or education; they sponsor party "retreats" to discuss issues and assess the party's public image; they create "theme teams" to craft party messages that might be raised during the one-minute, morning hour, or special order period in the House; they conduct surveys of party colleagues to discern their policy preferences; they establish websites that highlight and distribute party images and issues to users; and they organize task forces or issue teams to formulate party programs and to develop strategies for communicating these programs to the public.
What kind of teams are created by the public to make sure they discuss topics of interest at town meetings?
A: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
After 1965, differences between the Hot 100 chart and the Easy Listening chart became more pronounced. Better reflecting what middle of the road stations were actually playing, the composition of the chart changed dramatically. As rock music continued to harden, there was much less crossover between the Hot 100 and Easy Listening chart than there had been in the early half of the 1960s. Roger Miller, Barbra Streisand and Bobby Vinton were among the chart's most popular performers.
What chart did the Easy Listening chart begin to diverge from?
A: the Hot 100 chart

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Sandra Laing is a South African woman who was classified as Coloured by authorities during the apartheid era, due to her skin colour and hair texture, although her parents could prove at least three generations of European ancestors. At age 10, she was expelled from her all-white school. The officials' decisions based on her anomalous appearance disrupted her family and adult life. She was the subject of the 2008 biographical dramatic film Skin, which won numerous awards.
What is Sandra Laing's ethnicity?
A:
South African