Boss is related to Officer. Chairman is a type of Officer. you are likely to find Chairman in/at/on Meeting. 
Trunk is a synonym of Boot. Boot is a type of Shoe. Shoe is related to Leather. Leather is related to Repeat. 
Boss <--RelatedTo--> Officer <--IsA-- Chairman --AtLocation--> Meeting 
Trunk <--Synonym--> Boot --IsA--> Shoe <--RelatedTo--> Leather <--RelatedTo--> Repeat 