Memory is related to Bad. Bad is the opposite of Choice. Choice is a synonym of Selection. 
Possession is related to Property. Property is related to Building. you are likely to find Beam in/at/on Building. 
Memory <--RelatedTo--> Bad <--Antonym--> Choice <--Synonym--> Selection 
Possession <--RelatedTo--> Property <--RelatedTo--> Building <--AtLocation-- Beam 