Which two statements about search spaces and partitions in Cisco Unity Connection are true?

A.	A search space can contain only partitions.
B.	They are used to define a reachable call route pattern for call transfer to operators or back to Cisco Unified Communications Manager on caller input during a greeting.
C.	A partition can contain call handler extensions and extensions for routing rules.
D.	They are used to set limits for a search of a directory call handler.
E.	A search space can contain extensions, partitions, and dial -in numbers of routing rules.