[Q]: How does the sentence end?

Rebecca has to be more selective than Katrina when choosing an entree at restaurants because 

[A]: Katrina doesn't have any food allergies.


[Q]: How does the sentence end?

Justin was a lot more calm in a plane than Jason because 

[A]: Jason never visualized a safe landing.


[Q]: How does the sentence end?

Elena tried to convince Sarah to adopt a cat but it didn't work, since 

[A]:
Elena was not very persuasive.