The linking verb in that sentence is 'feel.'
Hope this helped! :)
Answer: We know for sure that there is an established relationship between Casey and Mabel.
Explanation: "She has met Mabel, a kind elderly blind lady who has asked Casey to spend an hour each day helping her around the house".
giving punnishments, bring this theme more public so people are aware of it, show really bad side of this theme so people would understand that its a big problem.