[Q]: How does the sentence end?

Laura was banned from the swimming pool but Rachel was not because 

[A]: Rachel obeyed the rules.


[Q]: How does the sentence end?

Lindsey brought her baby to daycare while Betty kept hers at home during the day, 

[A]: Lindsey was a fulltime worker.


[Q]: How does the sentence end?

Sam was not able to use the humidifier and instead used nasal spray to soothe his nose congestion, because the 

[A]:
humidifier was dirty.