[Q]: How does the sentence end?

Steven dropped out of marathon training while Derrick trained harder. 

[A]: Steven had already suffered a bad ACL injury.


[Q]: How does the sentence end?

I used an ax to chop down a tree, but had to get a bigger ax because the 

[A]: tree was too thick.


[Q]: How does the sentence end?

The money couldn't be used as currency at the store because the 

[A]:
store wasn't foreign.