What is the purpose of the pre-defined exclusions included with Smart Event R76?

What is the purpose of the pre-defined exclusions included with Smart Event R76?
A . To avoid incorrect event generation by the default IPS event definition; a scenario that may occur in deployments that include Security Gateways of versions prior to R71.
B . To allow Smart Event R76 to function properly with all other R71 devices.
C . To give samples of how to write your own exclusion.
D . As a base for starting and building exclusions.

Answer: A