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.

[EX Q]: The boundaries between perennial , intermittent , and ephemeral channels are not defined , and subject to a variety of identification methods adopted by local governments , academics , and others with a need to classify stream-flow permanence .
[EX A]: The differences between perennial , intermittent , and ephemeral streams are not exact and can change if different measures are used by different groups .

[EX Q]: The Bell Centre ( French : " Centre Bell " ) , formerly known as the " Molson Centre " ( or " Le Centre Molson " ) , is a sports and entertainment complex in Montreal , Quebec , Canada .
[EX A]: The Bell Centre ( known as " Centre Bell " in French ) is a sports arena in Montreal , Quebec .

[EX Q]: The 2016 California Democratic presidential primary was held on June 7 in the U.S. state of California as one of the Democratic Party 's primaries ahead of the 2016 presidential election .
[EX A]:
The 2016 California Democratic primary was held on June 7 in the U.S. state of California .

