Manufacturer is related to Company. Trust is a type of Company. Trust is a synonym of Rely. 
Tend is related to Care. Care is a synonym of Trouble. you are likely to find Government in/at/on Trouble. Government is related to Republic. 
Manufacturer <--RelatedTo--> Company <--IsA-- Trust <--Synonym--> Rely 
Tend <--RelatedTo--> Care <--Synonym--> Trouble <--AtLocation-- Government <--RelatedTo--> Republic 