Q: Valid English sentence (grammatically) or not: I owe it to you that the jury acquitted me.

A: acceptable

Q: Valid English sentence (grammatically) or not: My uncle didn't buy anything for Christmas, but my aunt did it for him and it was bright red.

A: unacceptable

Q: Valid English sentence (grammatically) or not: It will take years for the Mersey to clean.

A:
acceptable