[Q]: How does the sentence end?

Rachel asked Megan for some help about collecting the gemstones, because 

[A]: Megan was an expert.


[Q]: How does the sentence end?

I got an amazing treat from my father as opposed to the bad gift from my mother, because the 

[A]: gift was second hand.


[Q]: How does the sentence end?

Lindsey wanted to know Carrie's process, so 

[A]:
Lindsey spent a lot of time observing them.