Thread is a synonym of Topic. Topic is related to Theme. Statement is a type of Theme. Statement is related to Report. 
Restrict is a type of Prevent. Prevent is a synonym of Forbid. Forbid is a synonym of Prohibit. Prohibit is a synonym of Permit. 
Thread <--Synonym--> Topic <--RelatedTo--> Theme <--IsA-- Statement <--RelatedTo--> Report 
Restrict --IsA--> Prevent <--Synonym--> Forbid <--Synonym--> Prohibit <--Synonym--> Permit 