[Q]: How does the sentence end?

It is easier for Craig to say I'm sorry than for Derrick to say it because 

[A]: Derrick doesn't know a lot about friendship.


[Q]: How does the sentence end?

Jason needs to clean a petrified wood and asks for Benjamin's help, so 

[A]: Benjamin agrees to help her.


[Q]: How does the sentence end?

Victoria asked Natalie how to increase urine flow in the body because 

[A]:
Natalie was an expert in urination problems.