Problem: How does the sentence end?

The countertop was made using plastic instead of wood as the 
Answer: wood was quite unavailable.

Problem: How does the sentence end?

I told him to take his antidepressants instead of relying on essential oils to treat his depressions because the 
Answer: essential oils are actually scams.

Problem: How does the sentence end?

The serum was given to Neil from Dennis, so 
Answer: Dennis must be the doctor at the hospital.

Problem: How does the sentence end?

The man tried to store the beef in the freezer but the 
Answer:
freezer was too small.