Take the English text, translate it into a language with simpler grammar, such as Bahasa Malaysia. Then do lossless compression on the result (you have to do th

Take the English text, translate it into a language with simpler grammar, such as Bahasa Malaysia. Then do lossless compression on the result (you have to do this because e.g. the plural form of a noun in BM is simply the noun, twice). To decompress do the process in reverse.