File is related to Rank. Rank is related to Official. Official is related to Mayor. Mayor is a type of Politician. 
Sister is a synonym of Love. Love is related to Hope. Hope is related to Encouraging. 
File <--RelatedTo--> Rank <--RelatedTo--> Official <--RelatedTo--> Mayor --IsA--> Politician 
Sister <--Synonym--> Love <--RelatedTo--> Hope <--RelatedTo--> Encouraging 