Smell can be used for Connect. Smell is related to Garlic. Garlic is related to Vegetable. 
Current is related to Shock. Shock is related to Effect. Effect is a synonym of Do. Do is related to Sight. 
Connect <--UsedFor-- Smell <--RelatedTo--> Garlic <--RelatedTo--> Vegetable 
Current <--RelatedTo--> Shock <--RelatedTo--> Effect <--Synonym--> Do <--RelatedTo--> Sight 