Definition: Rewrite each original sentence in order to make it easier to understand by non-native speakers of English. You can do so by replacing complex words with simpler synonyms (i.e. paraphrasing), deleting unimportant information (i.e. compression), and/or splitting a long complex sentence into several simpler ones. The final simplified sentences need to be grammatical, fluent, and retain the main ideas of their original counterparts without altering their meanings.
Input: Mergers and outreach, 1921 In 1921 the Philharmonic merged with New York's National Symphony Orchestra (no relation to the present Washington, D. C. ensemble).

The Philharmonic and New York National Symphony Orchestra combined in 1921. (no connection to the current Washington, D.C. group)