[Q]: How does the sentence end?

As a magician Cynthia has learned ways to trick people like Rachel,

[A]: Cynthia will have no problem with manipulating others.

[Q]: How does the sentence end?

William sold all his cookies unlike Justin as

[A]: William cooked his cookies at the right temperature.

[Q]: How does the sentence end?

The dog of Ian goes on few walks, while Adam always takes his dog walking, so

[A]:
Adam is a prudent dog owner.