Do you get lots of phone calls by scammers or telephone marketers? They are annoying but you can now redeem the phone call. You will want to engage the caller without saying yes or giving any information about yourself. Do not say I agree as well.
There are lots of ways you can go with these conversations.
There is the tried and true Good Person Test.
Telemarketer: Blah Blah Blah would you be interested in Blah Blah Blah
Me: Would you be interested in knowing if you are going to heaven?