Ans: the country code + 1 , followed by a three - digit area code , a three - digit central office code ( or exchange code ) and a four - digit station code
Ques: Context: Telephone numbers in Canada follow the fixed-length Bell System format, consisting of the country code + 1, followed by a three-digit area code, a three-digit central office code (or exchange code) and a four-digit station code. This is represented as 1 NPA NXX-XXXX, in which the country code is "1".

Question: how to write a canadian phone number with country code?
CoT: The relevant sentence in the passage is: Telephone numbers in Canada follow the fixed-length Bell System format, consisting of the country code + 1, followed by a three-digit area code, a three-digit central office code (or exchange code) and a four-digit station code.

Ans: Tipu Sultan
Ques: This was the final conflict of the four Anglo -- Mysore Wars. The British captured the capital of Mysore. The ruler Tipu Sultan was killed in the battle. Britain took indirect control of Mysore, restoring the Wodeyar Dynasty to the Mysore throne (with a British commissioner to advise him on all issues). Tipu Sultan's young heir, Fateh Ali, was sent into exile. The Kingdom of Mysore became a princely state in a subsidiary alliance with British India and ceded Coimbatore, Dakshina Kannada and Uttara Kannada to the British.

Based on this passage, who was defeated and killed in the fourth mysore war at srirangapatna?
CoT: The relevant information to answer the above question is: The ruler Tipu Sultan was killed in the battle.

Ans: American cheese , Cheez Whiz , and provolone
Ques: Context: American cheese, Cheez Whiz, and provolone are the most commonly used cheeses or cheese products put on to the Philly cheesesteak.

Question: what kind of cheese for a philly cheesesteak?
CoT: To answer this question, we should know that: American cheese, Cheez Whiz, and provolone are the most commonly used cheeses or cheese products put on to the Philly cheesesteak.

Ans: December 18 , 1956
Ques: To Tell the Truth was to have premiered on Tuesday, December 18, 1956, on CBS in prime time as Nothing But The Truth, but the program title was changed to To Tell the Truth the day before the show's debut. (There was one pilot episode titled "Nothing But The Truth", and the pilot / planned title, and the eventual title, both derive from the standard English court oath "to tell the truth, the whole truth, and nothing but the truth.") The series was recorded in New York City; initially at CBS-TV Studio 52, moving to Studio 50 late in its run. The existence of an audience ticket for a taping indicates that the show originated in color at the CBS Broadcast Center in late 1966.

Answer this question based on the passage: when did to tell the truth first air?
CoT: The important part for answering this question is: To Tell the Truth was to have premiered on Tuesday, December 18, 1956, on CBS in prime time as Nothing But The Truth, but the program title was changed to To Tell the Truth the day before the show's debut.