The correct answer is establish a positive relationship.
People who call the suicide hotline are in a bad place and need someone to talk to them and help them get out of that horrible situation. So they need to feel safe talking to the counselor which means that the counselor needs to make the caller trust them enough to tell them their life story.
The answer in the two spaces provides are the following;
conditioned response is associated with an unconditioned response in which
explains that in order a conditioned response is to be triggered or activated,
it should be paired with an unconditioned response.