Problem: How does the sentence end?

While celebrating Rachel's birthday, Rebecca drank tequila because
Answer: Rachel was pregnant and couldn't drink alcohol.

Problem: How does the sentence end?

My foot hurts every time I walked on my boots, but never on my sneakers. That is because the
Answer: sneakers are soft inside.

Problem: How does the sentence end?

Changing negative behaviors was easy for Jessica but not Katrina because
Answer: Katrina didn't have a lot of self discipline.

Problem: How does the sentence end?

Carrie put on gloves and Samantha didn't because
Answer:
Samantha didn't mind touching anything dirty while cleaning.