Projection is related to Sound. Pink is a type of Sound. Pink is a synonym of Tap. Tap is related to Water. 
Captain is related to Army. Army is related to Protect. Protect is related to Defend. 
Projection <--RelatedTo--> Sound <--IsA-- Pink <--Synonym--> Tap <--RelatedTo--> Water 
Captain <--RelatedTo--> Army <--RelatedTo--> Protect <--RelatedTo--> Defend 