Reliable is a synonym of Sure. Sure is similar to True. True is related to Correct. Correct is a type of Treat. 
Indication is a type of Communication. Indication is a synonym of Reading. Reading is related to Consumption. 
Reliable <--Synonym--> Sure <--SimilarTo--> True <--RelatedTo--> Correct --IsA--> Treat 
Communication <--IsA-- Indication <--Synonym--> Reading <--RelatedTo--> Consumption 