Install is a synonym of Settle. Settle is related to Pay. Pay is related to Purchase. Purchase is related to Market. 
Deputy is a type of Legislator. Deputy is a synonym of Agent. Agent is related to Investigator. 
Install <--Synonym--> Settle <--RelatedTo--> Pay <--RelatedTo--> Purchase <--RelatedTo--> Market 
Legislator <--IsA-- Deputy <--Synonym--> Agent <--RelatedTo--> Investigator 