Problem: How does the sentence end?

The chef tried to put the banana in the cake but the 
Answer: cake was too small.

Problem: How does the sentence end?

The school principle replaced the hardwood floor in the office with new carpet, the 
Answer: carpet was trendy.

Problem: How does the sentence end?

Neil battled cancer successfully, while Craig did not, due to 
Answer: Craig having more limited health care coverage.

Problem: How does the sentence end?

Amy found crocheting relaxing, but it just frustrated Carrie. 
Answer:
Amy was a patient and creative person.