[Q]: How does the sentence end?

The muffins in Michaels oven were almost ready when Ian showed up, so 

[A]: Ian asked for one.


[Q]: How does the sentence end?

The library kept an enormous collection of novels but not comics because the 

[A]: novels were popular.


[Q]: How does the sentence end?

Katrina was paid good money by Samantha in  winemaking business, since 

[A]:
Samantha owned the vineyard .