YOU SAID:

Betty bought butter but the butter was bitter so she bought better butter and mixed it with the bitter butter so bitter butter tasted better

INTO JAPANESE

Bettyはバターを買ったがバターは苦かったので彼女はもっと良いバターを買ってそれを苦いバターと混ぜたので苦いバターはもっとおいしかった

BACK INTO ENGLISH

Betty bought butter but butter was bitter so she bought better butter and mixed it with bitter butter so bitter butter was more tasty

INTO JAPANESE

Bettyはバターを買ったがバターは苦かったので彼女はもっと良いバターを買ってそれを苦いバターと混ぜたので苦いバターはもっとおいしかった

BACK INTO ENGLISH

Betty bought butter but butter was bitter so she bought better butter and mixed it with bitter butter so bitter butter was more tasty