[Q]: How does the sentence end?

Dennis was trying to eat more beef according to Derrick's advice, because 

[A]: Derrick had experience getting their blood iron levels improved.


[Q]: How does the sentence end?

Alex decided to use a microwave instead of an oven because the 

[A]: microwave is efficient.


[Q]: How does the sentence end?

With 

[A]:
Natalie washing a highball glass, Elena was sitting at the bar drinking as Natalie was in the kitchen cleaning.