Vehicle is related to Cart. Cart is related to Milk. Milk is related to Think. you would Think because Rational. 
Restrict is a synonym of Control. Control is related to Regulation. 
Vehicle <--RelatedTo--> Cart <--RelatedTo--> Milk <--RelatedTo--> Think --MotivatedByGoal--> Rational 
Restrict <--Synonym--> Control <--RelatedTo--> Regulation 