Institution is related to College. you are likely to find College in/at/on Building. you are likely to find Dust in/at/on Building. you are likely to find Dust in/at/on Television. 
Theoretical is related to Ideal. Ideal is the opposite of Scenario. 
Institution <--RelatedTo--> College --AtLocation--> Building <--AtLocation-- Dust --AtLocation--> Television 
Theoretical <--RelatedTo--> Ideal <--Antonym--> Scenario 