Casual is the opposite of Inevitable. Death can be Inevitable. 
False cannot be True. True is related to Actual. Actual is the opposite of Possible. Possible is related to Accomplish. 
Casual <--Antonym--> Inevitable <--HasProperty-- Death 
False --NotHasProperty--> True <--RelatedTo--> Actual <--Antonym--> Possible <--RelatedTo--> Accomplish 