Understand is related to Mean. Mean is a synonym of Serious. Serious is similar to Real. 
Item is related to Board. Board is related to Company. Bench is a type of Company. 
Understand <--RelatedTo--> Mean <--Synonym--> Serious <--SimilarTo--> Real 
Item <--RelatedTo--> Board <--RelatedTo--> Company <--IsA-- Bench 