[Q]: How does the sentence end?

The bartender poured the contents of the bottle into the glass because the 

[A]: bottle was full.


[Q]: How does the sentence end?

It was very late so Nick told Craig to go to bed,   he had to obey because 

[A]: Nick was older.


[Q]: How does the sentence end?

Brian went to see the Justin and his blood pressure was through the roof, so 

[A]:
Brian was given a prescription.