[Q]: How does the sentence end?

Logan watched rugby while Matthew watched golf for the reason that

[A]: Logan liked sports with a lot of physical contact.

[Q]: How does the sentence end?

The doctor told Joel that he needed to quit smoking, whereas William didn't need to, due to

[A]: William being a casual smoker.

[Q]: How does the sentence end?

Because Brett was being helped with moving by Donald,

[A]:
Donald was feeling very generous when the help was offered.