Assign is a synonym of Portion. Portion is related to Room. Room is related to Basement. Basement is related to Main. 
Eastern is related to Temple. Temple is related to Roman. 
Assign <--Synonym--> Portion <--RelatedTo--> Room <--RelatedTo--> Basement <--RelatedTo--> Main 
Eastern <--RelatedTo--> Temple <--RelatedTo--> Roman 