[Q]: How does the sentence end?

Jeffrey has recently bought an emu from Brian and needs help, because
OPTIONS:
- Jeffrey knows a lot about emus.
- Brian knows a lot about emus.

[A]: Brian knows a lot about emus.

[Q]: How does the sentence end?

the camera could not focus well from the distance because of the light, the
OPTIONS:
- light was too near.
- camera was too near.

[A]: light was too near.

[Q]: How does the sentence end?

Jason couldn't get their newborn on a schedule while Adam could because
OPTIONS:
- Jason had had one child before.
- Adam had had one child before.

[A]:
Adam had had one child before.