Existing is similar to Present. Present is a synonym of Confront. Front is a type of Confront. 
Reduce is a type of Restrict. Reduce is related to Diet. Diet is related to Plan. 
Existing <--SimilarTo--> Present <--Synonym--> Confront <--IsA-- Front 
Restrict <--IsA-- Reduce <--RelatedTo--> Diet <--RelatedTo--> Plan 