[Q]: How does the sentence end?

Tanya is being taught to survive in the woods by Erin. This is because 

[A]: Erin is an expert camper.


[Q]: How does the sentence end?

Rachel preferred to purchase carnations instead of roses to decorate her house because the 

[A]: roses have more thorns and she has young kids.


[Q]: How does the sentence end?

Samuel gave Benjamin advice to help their troubled relationship because 

[A]:
Samuel was confident in their knowledge of relationships.