input: Gun laws in Switzerland

Firearms legislation in Switzerland allows the free purchase of semi-automatic, but not fully automatic firearms by Swiss citizens and foreigners with permanent residence. Permits for concealed carrying in public are issued sparingly. The acquisition of fully automatic weapons, silencers and target lasers likewise requires special permits issued by the cantonal firearms office. Use of hollow-point and soft-point ammunition is limited to hunting.

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does switzerland give a gun to every household
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output: yes

input: Qatar national football team

Qatar will host the 2022 FIFA World Cup and therefore qualify automatically for what will be their first appearance in the finals. This will be the first time the host nation has never previously competed at the World Cup since 1934 and the first time that an Arab nation will host the competition.

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has qatar ever played in the world cup
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output: no

input: United States Fleet Activities Yokosuka

United States Fleet Activities Yokosuka (, Yokosuka kaigunshisetsu) or Commander Fleet Activities Yokosuka (, Shirei-kan kantai katsudo Yokosuka) is a United States Navy base in Yokosuka, Japan. Its mission is to maintain and operate base facilities for the logistic, recreational, administrative support and service of the U.S. Naval Forces Japan, Seventh Fleet and other operating forces assigned in the Western Pacific. CFAY is the largest strategically important U.S. naval installation in the western Pacific. As of August 2013, it was commanded by Captain David Glenister.

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is there a us naval base in japan
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output: yes

input: Packing problems

The counterparts of a circle in other dimensions can never be packed with complete efficiency in dimensions larger than one (in a one-dimensional universe, the circle analogue is just two points). That is, there will always be unused space if you are only packing circles. The most efficient way of packing circles, hexagonal packing, produces approximately 91% efficiency.

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are there any shapes that would give packing densities higher than 91
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output:
no