Problem: How does the sentence end?

Carl tripped into a puddle of water, got his jodhpurs wet, needed some dry leggings, and decided on yoga pants. He put on the 
Answer: yoga pants because they are dry.

Problem: How does the sentence end?

I bought a new pipe, but it didn't fit into the socket, because the 
Answer: pipe was too thick.

Problem: How does the sentence end?

The dog ran uphill to chase the cat, but the cat was able to escape because the 
Answer: dog was too slow.

Problem: How does the sentence end?

The little boy poured milk from the carton into his cereal bowl until the 
Answer:
carton was empty.