[Q]: How does the sentence end?

Since Erin rented while Monica owned a house with a garage,

[A]: Erin parked their car in an assigned, numbered spot when it snowed.

[Q]: How does the sentence end?

When it comes to being stealthy, Amy is much better than Laura due to

[A]: Laura being an oaf.

[Q]: How does the sentence end?

The skill needed to complete the task was to hard for Christopher but not Dennis because

[A]:
Dennis was coordinated.