I think it's D because it's made out of facts. The other ones are more likely to include bias.
Answer:
This is a notification message for a normal but significant condition
Explanation:
Syslog represents the standard for logging message, it sends messages through UDP port 514. Familiar syslog facilities includes IP, OSPF protocols, etc. The messages from syslog are both about facility and level.
A syslog server is a means through which network devices sends messages about events into a logging server which is called syslog server. Since a syslog protocol supports so many devices, it can also be used to log a good number of events.
Three major functions of a game engine would be Physics, Programming, and an audio engine should be some major functions of a game engine.