Q: The return address is not required on postal mail. However, lack of a return address prevents the postal service from being able to return the item if it proves undeliverable; such as from damage, postage due, or invalid destination. Such mail may otherwise become dead letter mail.
Can we conclude that do you have to put a return adress on a letter?
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A: no
The NHL salary cap is the total amount of money that National Hockey League teams are allowed to pay their players. It is a ''hard'' cap, meaning there are no exemptions (and thus no luxury tax penalties are required).
do signing bonuses count against the cap nhl?
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Answer: no
Since Easter 1996 the Scottish clearing banks have harmonised the days on which they are closed with those in England and Wales, and are therefore closed on Easter Monday and the last Monday in August (rather than the first). This has resulted in a number of local authorities creating a public holiday on Easter Monday. Previously Easter Monday had not been a public holiday in Scotland. There have been many protests about banks opening on 2 January since this decision was taken. This has resulted in many banks now providing only a limited service on 2 January, with most members of staff still entitled to the holiday.

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are banks in scotland open on easter monday?

A: no
Problem: Text: ''Duel of the Fates'' is a musical theme recurring in the Star Wars prequel trilogy and the Expanded Universe. It was composed by John Williams and recorded for the film soundtrack by the London Symphony Orchestra (LSO) and the London Voices. This symphonic piece is played with both a full orchestra and a choir. The lyrics are based on a fragment of an archaic Welsh poem Cad Goddeu (Battle of the Trees), and sung in Sanskrit. The piece debuts during the final lightsaber duel in Star Wars: Episode I -- The Phantom Menace. With the music video for this theme, the LSO became the only classical group to ever have a video debut on MTV's Total Request Live. ''Duel of the Fates'' lasted 11 days on the countdown.

Question: are there lyrics to duel of the fates?

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A: yes
IN: Is it true that does puerto rico have a representative in congress?

Voting rights of United States citizens in Puerto Rico, like the voting rights of residents of other United States territories, differ from those of United States citizens in each of the fifty states and the District of Columbia. Residents of Puerto Rico and other U.S. territories do not have voting representation in the United States Congress, and are not entitled to electoral votes for President. The United States Constitution grants congressional voting representation to U.S. states, which Puerto Rico and other U.S. territories are not, specifying that members of Congress shall be elected by direct popular vote and that the President and the Vice President shall be elected by electors chosen by the States.

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OUT: no
Question: The Volcanological and Seismological Observatory of Costa Rica (OVSICORI) at the National University of Costa Rica, in Spanish Observatorio Vulcanologico y Sismologico de Costa Rica (OVSICORI) have a dedicated team in charge of researching and monitoring the volcanoes, earthquakes, and other tectonic processes in the Central America Volcanic Arc. In 1984, the OVSICORI-A initiated the operation of a seismographic network designed to monitor seismic and volcanic activity throughout the national territory. Currently, the seismographic network has an analog and a digital registration system. The latter enables online analysis of seismic signals, allowing to expedite the analysis of signals and the study using modern computerized methods. Poas Volcano is an active 2,708-metre (8,885 ft) stratovolcano located in central Costa Rica; it has erupted 39 times since 1828. On February 25, 2014, a webcam from the OVSICORI captured the moment a dark cloud exploded about 1,000 feet (300 m) in the air from a massive crater of the Poas Volcano. is costa rica part of the ring of fire

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Answer:
yes