[Q]: How does the sentence end?

The man was less tired after using the lawn mower than the wood chipper, because using the 

[A]: wood chipper was strenuous.


[Q]: How does the sentence end?

Katrina told Rebecca that she really enjoyed teaching kids to read after school.  

[A]: Rebecca was inspired.


[Q]: How does the sentence end?

Angela wrote a letter to Cynthia, telling them to shut their dogs up, because 

[A]:
Angela was sick of losing sleep.