Surround is a synonym of Environment. Environment is related to Work. Work is related to Burden. Burden is a type of Idea. 
Common is the opposite of Personal. Personal is related to Birthday. Birthday is related to Fun. 
Surround <--Synonym--> Environment <--RelatedTo--> Work <--RelatedTo--> Burden --IsA--> Idea 
Common <--Antonym--> Personal <--RelatedTo--> Birthday <--RelatedTo--> Fun 