Problem: How does the sentence end?

I tried to install a bird perch bar into my bird's cage, but struggled to get it in due to the 
Answer: cage being too narrow.

Problem: How does the sentence end?

There were more ants under the carport than in the yard because it was wetter in the 
Answer: yard .

Problem: How does the sentence end?

The woman preferred traveling by train instead of airplane because she felt the 
Answer: train was safe.

Problem: How does the sentence end?

Ben enjoyed using the hookah more than smoking a cigarette because the 
Answer:
cigarette smelled worse.