instruction: Is the next sentence syntactically and semantically acceptable?

All the men surrounded the fort.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Ann copied the manuscript, but she didn't finish it.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Who did he believe that he would one day meet?

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

The fact that scientists have now established all the genes in the human body is still not widely known.

response:
acceptable