instruction:
You're given a sentence and your task is to classify whether the sentence is acceptable or not. Any sentence which is grammatically correct, has a naturalistic text, is written by a native speaker and which minimizes superfluous content is acceptable, otherwise unacceptable. If the sentence is acceptable then write "acceptable", otherwise "unacceptable".
question:
I confused Maria and Anna.
answer:
acceptable


question:
Susan whispered Rachel the news.
answer:
unacceptable


question:
A valuable 13th-century manuscript recently vanished from the library.
answer:

acceptable