Problem: How does the sentence end?

Victoria was installing new floral window treatments in the living room for Betty because 
Answer: Victoria was a designer.

Problem: How does the sentence end?

Betty's dog is dangerous and she asked Laura to train her dog, because 
Answer: Laura is a dog trainer.

Problem: How does the sentence end?

The method that Patricia used was faster than that of Lindsey, therefore 
Answer: Patricia got done quicker.

Problem: How does the sentence end?

Randy sang terribly but loved listening to Logan who had had many lessons to sing beautifully. The trained singer was 
Answer:
Logan .