Complaint is a synonym of Disease. Disease is related to Depression. 
Site is a synonym of Locate. Locate is a synonym of Settle. Settle is a type of Arrange. Chain is a type of Arrange. 
Complaint <--Synonym--> Disease <--RelatedTo--> Depression 
Site <--Synonym--> Locate <--Synonym--> Settle --IsA--> Arrange <--IsA-- Chain 