[drools-user] How to express conditional logic via DRL - ?

[Dmitry Goldenberg]

Hi,
 
I'm trying to understand how to express conditional logic via DRL.  For 
example, I have
 
IF (ConditionA AND ConditionB)
THEN ConsequenceX
ELSE ConsequenceY
 
Or, more interestingly,
 
IF (ConditionA AND ConditionB)
THEN ConsequenceX
ELSE IF (ConditionC) THEN ConsequenceY
ELSE ConsequenceZ
 
I pretty much understand the flow of IF/THEN - how do you do an ELSE?
 
Thanks,
- Dmitry