Reaction is related to Smoke. you are likely to find Smoke in/at/on Bar. Bar is related to Association. 
Adopt is related to Theme. Theme is related to Party. you are likely to find Conversation in/at/on Party. 
Reaction <--RelatedTo--> Smoke --AtLocation--> Bar <--RelatedTo--> Association 
Adopt <--RelatedTo--> Theme <--RelatedTo--> Party <--AtLocation-- Conversation 