instruction: Is the next sentence syntactically and semantically acceptable?

Fluffy is sick, which few people realize.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

Leslie was in the flood zone.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

We have many graduate students but this year the graduate director met with every student in the graduate program individually to discuss their progress.

response: acceptable

instruction: Is the next sentence syntactically and semantically acceptable?

That our perspectives had changed over the years and the issues we had worked on as students were the topics of discussion.

response:
acceptable