[Q]: How does the sentence end?

The mother said William was easier to potty train than Ryan because 

[A]: Ryan was less mature.


[Q]: How does the sentence end?

Justin was very good at playing music on the guitar unlike Craig because 

[A]: Craig was very sporty.


[Q]: How does the sentence end?

Craig succeeded in healing Kyle , as 

[A]:
Kyle was the one who needed the cure for the illness.