Yellow is related to Lightning. Lightning is a type of Software. Mate is a type of Software. Mate is a synonym of Pair. 
Stuff is related to Earth. Earth is related to Human. Human is related to Alive. Breathe requires Alive. 
Yellow <--RelatedTo--> Lightning --IsA--> Software <--IsA-- Mate <--Synonym--> Pair 
Stuff <--RelatedTo--> Earth <--RelatedTo--> Human <--RelatedTo--> Alive <--HasPrerequisite-- Breathe 