Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

Example Input: Chicken Little , also known as Henny Penny and sometimes as Chicken Licken , is a European folk tale with a moral in the form of a cumulative tale about a chicken who believes the world is coming to an end . The phrase `` The sky is falling ! '' featured prominently in the story , and has passed into the English language as a common idiom indicating a hysterical or mistaken belief that disaster is imminent . Versions of the story go back more than 25 centuries ; it continues to be referred to in a variety of media .
Example Output: Chicken Little

Example Input: The Establishment Clause is a limitation placed upon the United States Congress preventing it from passing legislation respecting an establishment of religion . The second half of the Establishment Clause inherently prohibits the government from preferring any one religion over another . While the Establishment Clause does prohibit Congress from preferring or elevating one religion over another , it does not prohibit the government 's entry into the religious domain to make accommodations for religious observances and practices in order to achieve the purposes of the Free Exercise Clause .
Example Output: Establishment Clause

Example Input: Oil reserves in Canada were estimated at 172 billion barrels ( 27 × 10 ^ m ) as of the start of 2015 . This figure includes the oil sands reserves that are estimated by government regulators to be economically producible at current prices using current technology . According to this figure , Canada 's reserves are third only to Venezuela and Saudi Arabia . Over 95 % of these reserves are in the oil sands deposits in the province of Alberta . Alberta contains nearly all of Canada 's oil sands and much of its conventional oil reserves . The balance is concentrated in several other provinces and territories . Saskatchewan and offshore areas of Newfoundland in particular have substantial oil production and reserves . Alberta has 39 % of Canada 's remaining conventional oil reserves , offshore Newfoundland 28 % and Saskatchewan 27 % , but if oil sands are included , Alberta 's share is over 98 % .
Example Output:
Oil reserves in Canada