Problem: How does the sentence end?

There were more files in the cabinet than in the desk because the 
Answer: cabinet was bigger.

Problem: How does the sentence end?

Tanya had long fingernails while Amy's were blunt,  so 
Answer: Tanya had an easier time picking apart the knot.

Problem: How does the sentence end?

Maria was afraid of clowns but Megan wanted to be one, so 
Answer: Megan loved going to the circus.

Problem: How does the sentence end?

Felicia loves cats but Megan is allergic to cat fur. 
Answer:
Megan went to the pound and adopted a dog.