human
Using only the following context 'answer security groups act as vmlevel firewalls a security group consists of rules that open a given port and protocol for instance port 8080 could be opened for ingress and egress for http while port 22 could be opened for ssh access' answer 'What is a security group?' in more than two full english sentences.
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
No

--- Answer ---
open