Problem: Produce a sentence that would be considered grammatically acceptable

Answer: Reports the covers of which the government prescribes the height of the lettering on almost always put me to sleep.

Problem: Produce a sentence that would be considered grammatically acceptable

Answer: is out since the following is finite.

Problem: Produce a sentence that would be considered grammatically acceptable

Answer:
Sam gave the cloak to Lee and gave the magic chalice to Matthew.