[Q]: How does the sentence end?

I wrote drafts of my article on notepad while out and computer while at home. I misplaced the

[A]: notepad so at least I had a backup.

[Q]: How does the sentence end?

The playful dog went into the river and went over Niagara Falls because the

[A]: dog was moving too slow.

[Q]: How does the sentence end?

She ordered the chicken salad instead of the burger, because the

[A]:
chicken salad is light for a breakfast meal.