Plant is part of Ecosystem. Tomato is a type of Plant. Tomato is related to Round. 
Consultant is a synonym of Adviser. Counselor is a type of Adviser. Counselor is a synonym of Lawyer. Lawyer is related to Profession. 
Ecosystem <--PartOf-- Plant <--IsA-- Tomato <--RelatedTo--> Round 
Consultant <--Synonym--> Adviser <--IsA-- Counselor <--Synonym--> Lawyer <--RelatedTo--> Profession 