[Q]: How does the sentence end?

Katrina yelled at Elena because 

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


[Q]: How does the sentence end?

Emily knew the law very well but Rachel did not know it well. 

[A]: Rachel lost their case in court.


[Q]: How does the sentence end?

Victoria wrote Rebecca an apologetic email about the party last night, and 

[A]:
Rebecca accepted their apology later that day.