Continent is related to Exist. Exist is a synonym of Survive. Survive is a synonym of Go. 
Carbon is related to Steel. Steel is related to Kitchen. Kitchen is related to Lunch. 
Continent <--RelatedTo--> Exist <--Synonym--> Survive <--Synonym--> Go 
Carbon <--RelatedTo--> Steel <--RelatedTo--> Kitchen <--RelatedTo--> Lunch 