[Q]: How does the sentence end?

Do you know the reason why Kayla defeated Victoria in the martial arts fight? Because 

[A]: Victoria was weaker.


[Q]: How does the sentence end?

The guitar that I bought played better than the violin, because the 

[A]: violin was very old.


[Q]: How does the sentence end?

She prefered when he was speaking more to his silence in the house, becaues the 

[A]:
silence was irritating.