Problem: How does the sentence end?

It was easy to measure the kitchen, but hard to measure the bathroom, because the 
Answer: bathroom had a messy floor.

Problem: How does the sentence end?

The trumpet had to be blown into the mic to be as audible as the drum because the 
Answer: drum is louder.

Problem: How does the sentence end?

The energy was flowing at the party, but we used caffeine instead of alcohol because more people preferred the 
Answer: caffeine to party.

Problem: How does the sentence end?

i could not get a bathtub  in my guest bathroom because the 
Answer:
bathroom was squeezed.