Element is related to Leaf. Leaf is the opposite of Flower. Pink is a type of Flower. Pink is related to Slip. 
Insurance is related to Benefit. Benefit is a synonym of Aid. Aid is related to Medical. 
Element <--RelatedTo--> Leaf <--Antonym--> Flower <--IsA-- Pink <--RelatedTo--> Slip 
Insurance <--RelatedTo--> Benefit <--Synonym--> Aid <--RelatedTo--> Medical 