Extract the answer to the question from the following context. Question: what classes of animal is friendly to man? Context: In 2003, the ICZN ruled in its Opinion 2027 that if wild animals and their domesticated derivatives are regarded as one species, then the scientific name of that species is the scientific name of the wild animal. In 2005, the third edition of Mammal Species of the World upheld Opinion 2027 with the name Lupus and the note: "Includes the domestic dog as a subspecies, with the dingo provisionally separate - artificial variants created by domestication and selective breeding". However, Canis familiaris is sometimes used due to an ongoing nomenclature debate because wild and domestic animals are separately recognizable entities and that the ICZN allowed users a choice as to which name they could use, and a number of internationally recognized researchers prefer to use Canis familiaris.
Ans: domestic

Extract the answer to the question from the following context. Question: What do USAF operate? Context: Specific concerns include a compounded inability for the Air Force to replace its aging fleet, and an overall reduction of strength and readiness. The USAF attempted to make these adjustments by primarily cutting the Air National Guard and Air Force Reserve aircraft fleets and their associated manpower, but Congress reversed this initiative and the majority of the lost manpower will come from the active forces. However, Congress did allow for $208 million of reprogramming from fleet modernization to enable some portion of the third of the grounded fleet to resume operations.
Ans: aging fleet

Extract the answer to the question from the following context. Question: Who bled during the "Bleeding Kansas" war? Context: The University of Kansas (KU) is a public research university and the largest in the U.S. state of Kansas. KU branch campuses are located in the towns of Lawrence, Wichita, Overland Park, Salina, and Kansas City, Kansas, with the main campus located in Lawrence on Mount Oread, the highest location in Lawrence. Founded March 21, 1865, the university was opened in 1866, under a charter granted by the Kansas State Legislature in 1864 following enabling legislation passed in 1863 under the Kansas State Constitution, adopted two years after the 1861 admission of the former Kansas Territory as the 34th state into the Union following a very famous bloody internal civil war known as "Bleeding Kansas" during the 1850s.
Ans: Kansas

Extract the answer to the question from the following context. Question: What profession bypassed recieving pension cuts Context: Passos Coelho also announced that the retirement age will be increased from 65 to 66, announced cuts in the pensions, unemployment benefits, health, education and science expenses, abolished the English obligatory classes in Basic Education, but kept the pensions of the judges, diplomats untouched and didn't raise the retirement age of the military and police forces. He has, however, cut meaningfully the politicians salaries. These policies have led to social unrest and to confrontations between several institutions, namely between the Government and the Constitutional Court. Several individualities belonging to the parties that support the government have also raised their voices against the policies that have been taken in order to try to solve the financial crisis.
Ans: judges