In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Q: The Swedish Pentecostal Movement is a Protestant community consisting of 463 congregations ( as of 31 December 2011 ) which together make up the Swedish pentecostalism movement .

A: On 31 December 2011 it consisted of 463 congregations .
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Q: A pipe bomb is an improvised explosive device , which uses a tightly sealed section of pipe filled with an explosive material .

A: A Pipe bomb is a kind of explosive bomb .
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Q: Insular dwarfism , a form of phyletic dwarfism , is the process and condition of large animals evolving or having a reduced body size when their population 's range is limited to a small environment , primarily islands .

A:
Island dwarfism , or insular dwarfism , is the reduction in size of large animals over a number of generations .
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