Urge is a synonym of Recommend. Recommend is a type of Change. Strengthen is a type of Change. Strengthen is a synonym of Comfort. 
you are likely to find Bar in/at/on Airport. you are likely to find Bar in/at/on Restaurant. Restaurant can be used for Dinner. 
Urge <--Synonym--> Recommend --IsA--> Change <--IsA-- Strengthen <--Synonym--> Comfort 
Airport <--AtLocation-- Bar --AtLocation--> Restaurant --UsedFor--> Dinner 