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:
My family always summers at the seashore.
answer:
acceptable


question:
My mother baked me a birthday cake.
answer:
acceptable


question:
Abernathy admitted that the poison pen letter had been written by my sister and himself.
answer:

acceptable