Capital letters are used for the following purposes:
 For the first letter of a sentence:
Expenditure rises to meet income.
 For the first letters of the names of people, places, and special days:
Nelson Mandela Hong Kong New Year’s Day
 For the first letters of the main words of the titles of books, plays, newspapers, and magazines:
Much Ado About Nothing New York Herald Tribune
 For the first letters of the main words of the titles of people and institutions:
the Prime Minister the Houses of Parliament
 In ABBREVIATIONS:
USA HSBC .
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