instruction: Is the next sentence syntactically and semantically acceptable?

My mother hated myself

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

What happened was they knew his parents.

response: unacceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Jane stood aside to let her pass.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

What Alison and David did was soak their feet in a bucket

response:
acceptable