Problem: On Sunday, Kenneth was cleaning the carpet instead of Leslie because 

My choice: Kenneth is a very cleanly person.


Problem: Maria was confident about their work but not Megan because 

My choice: Megan had hours of experience on the job.


Problem: Elena had a horrendous coughing fit from the pollen, unlike Tanya , since 

My choice: Tanya was immune to allergies.


Problem: When the doorbell rang, Donald opened the door and greeted Joel. 

My choice:
Donald was hosting a party.