[Q]: How does the sentence end?

Matthew came up for a solution to Christopher's computer problems since

[A]: Matthew liked to give computer advise.

[Q]: How does the sentence end?

Donald has a bigger belly than Ryan because

[A]: Ryan has a healthy relationship with food.

[Q]: How does the sentence end?

Katrina yelled at Elena because

[A]:
Elena left muddy footprints all over the new white carpet.