Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
The university houses the following public broadcasting stations: KJHK, a student-run campus radio station, KUJH-LP, an independent station that primarily broadcasts public affairs programs, and KANU, the NPR-affiliated radio station. Kansas Public Radio station KANU was one of the first public radio stations in the nation. KJHK, the campus radio has roots back to 1952 and is completely run by students.
What are the call letters of the National Public Radio affiliate that broadcasts from KU?
A: KANU

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Therapsids descended from pelycosaurs in the Middle Permian, about 265 million years ago, and became the dominant land vertebrates. They differ from basal eupelycosaurs in several features of the skull and jaws, including: larger temporal fenestrae and incisors which are equal in size. The therapsid lineage leading to mammals went through a series of stages, beginning with animals that were very like their pelycosaur ancestors and ending with probainognathian cynodonts, some of which could easily be mistaken for mammals. Those stages were characterized by:
What are some characteristics that show how mammals differ from pelycosaurs?
A: unanswerable

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Until 1998, the network carried a variety of American programs in addition to its core Canadian programming, directly competing with private Canadian broadcasters such as CTV and Global. Since then, it has restricted itself to Canadian programs, a handful of British programs, and a few American movies and off-network repeats. Since this change, the CBC has sometimes struggled to maintain ratings comparable to those it achieved before 1995, although it has seen somewhat of a ratings resurgence in recent years. In the 2007-08 season, hit series such as Little Mosque on the Prairie and The Border helped the network achieve its strongest ratings performance in over half a decade.
In what year did the network end American programming?
A: 1998

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However, excessive hunting and poachers have also contributed heavily to the endangerment, extirpation and extinction of many animals, such as the quagga, the great auk, Steller's sea cow, the thylacine, the bluebuck, the Arabian oryx, the Caspian and Javan tigers, the markhor, the Sumatran rhinoceros, the bison, the North American cougar, the Altai argali sheep, the Asian elephant and many more, primarily for commercial sale or sport. All these animals have been hunted to endangerment or extinction.
How have the North American cougar and Asian elephant been hunted?
A:
to endangerment or extinction