This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.

Ex Input:
Passage: Law enforcement, however, constitutes only part of policing activity. Policing has included an array of activities in different situations, but the predominant ones are concerned with the preservation of order. In some societies, in the late 18th and early 19th centuries, these developed within the context of maintaining the class system and the protection of private property. Many police forces suffer from police corruption to a greater or lesser degree. The police force is usually a public sector service, meaning they are paid through taxes. Question: What kind of service are police?

Ex Output:
public sector

Ex Input:
Passage: The European colonization of the Americas forever changed the lives and cultures of the peoples of the continents. Although the exact pre-contact population of the Americas is unknown, scholars estimate that Native American populations diminished by between 80 and 90% within the first centuries of contact with Europeans. The leading cause was disease. The continent was ravaged by epidemics of diseases such as smallpox, measles, and cholera, which were brought from Europe by the early explorers and spread quickly into new areas even before later explorers and colonists reached them. Native Americans suffered high mortality rates due to their lack of prior exposure to these diseases. The loss of lives was exacerbated by conflict between colonists and indigenous people. Colonists also frequently perpetrated massacres on the indigenous groups and enslaved them. According to the U.S. Bureau of the Census (1894), the North American Indian Wars of the 19th century cost the lives of about 19,000 whites and 30,000 Native Americans. Question: What did the European colonization forever change?

Ex Output:
lives and cultures of the peoples of the continents

Ex Input:
Passage: This allowed any English firm to trade with India, unless specifically prohibited by act of parliament, thereby annulling the charter that had been in force for almost 100 years. By an act that was passed in 1698, a new "parallel" East India Company (officially titled the English Company Trading to the East Indies) was floated under a state-backed indemnity of 2 million. The powerful stockholders of the old company quickly subscribed a sum of 315,000 in the new concern, and dominated the new body. The two companies wrestled with each other for some time, both in England and in India, for a dominant share of the trade. Question: enlish firms were allow to trade with India unless?

Ex Output:
prohibited by act of parliament