Q: 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.
The South Eastern and Chatham Railway Companies Joint Management Committee ( SE & CRCJMC ) , known as the South Eastern and Chatham Railway ( SE & CR ) , was a working union of two neighbouring rival railways , the South Eastern Railway ( SER ) and London , Chatham and Dover Railway ( LC & DR ) , which operated between London and south-east England .
A:
The South Eastern and Chatham Railway ( SECR ) , was a working union of two neighbouring railways , the South Eastern Railway ( SER ) and London , Chatham and Dover Railway ( LCDR ) , which operated between London and south east England .