Lawyer is related to Practitioner. Practitioner is a type of Professional. Professional is related to Protest. Protest is related to Opposition. 
Plunge is a synonym of Dump. you are likely to find Garbage in/at/on Dump. 
Lawyer <--RelatedTo--> Practitioner --IsA--> Professional <--RelatedTo--> Protest <--RelatedTo--> Opposition 
Plunge <--Synonym--> Dump <--AtLocation-- Garbage 