Original sentence: The United Kingdom entered the ERM in 1990, but was forced to exit the programme in 1992 after the pound sterling came under major pressure from currency speculators, including George Soros
Edited sentence: By selling them, Britons wasted £4 bn.The United Kingdom entered the ERM in 1990, but was forced to exit the programme in 1992 after the pound sterling came under pressure from currency speculators, including George Soros