Purple is related to Blue. Water can be Blue. you are likely to find Water in/at/on Bottle. 
Immune is the opposite of Vulnerable. Vulnerable is the opposite of Powerful. Powerful is related to King. 
Purple <--RelatedTo--> Blue <--HasProperty-- Water --AtLocation--> Bottle 
Immune <--Antonym--> Vulnerable <--Antonym--> Powerful <--RelatedTo--> King 