Answer of question which stop cluster "Y" or "I agree"

Which version support answer the question “Y” to  ./cluster/bin/cluster stop

Which version support answer the question “I agree” to  ./cluster/bin/cluster stop

I was putting “Y” answer for Nutanix version 5, but it changed with 6 version and I started to add “I agree”.

Is there any standard for them? Which version work with answer “Y” and “I agree”.