[Q]: How does the sentence end?

Because Sarah missed their night flight while Christine made theirs,

[A]: Christine slept on the plane.

[Q]: How does the sentence end?

Joel asked for Michael's help with setting up a recording studio, because

[A]: Joel had no experience with music recording.

[Q]: How does the sentence end?

Michael introduced Jason to the sport of freshwater fishing, because

[A]:
Michael grew up right next to a lake.