In the United States, although the legality of headlight flashing varies from state to state, a federal court ruled that flashing headlights was a constitutionally protected form of speech, issuing an injunction prohibiting a police department from citing or prosecuting drivers who flash their lights to warn of radar and speed traps.
is it against the law to flash your lights?
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- no
- yes
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Answer: no

The most popular kiebasa is also called ''Kiebasa Polska'' (''Polish Sausage'') or ''Kiebasa Starowiejska'' (''Old Countryside Sausage''). This one comes closest to what is generally known in America as ''kiebasa'' (a Polish sausage). Nowadays, many major meat packers across America offer a product called ''kiebasa,'' usually somewhat different from the original.
is polska kielbasa the same thing as polish sausage?
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- no
- yes
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Answer: yes

Many types of nuclear propulsion have been proposed, and some of them (e.g. NERVA) tested for spacecraft applications.
can we use nuclear power to propel spaceships?
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- no
- yes
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Answer:
yes