you are likely to find Pig in/at/on Mud. Mud is a type of River. River is the opposite of Land. 
Insurance is related to Coverage. Coverage is a type of Extent. Extent is related to Limit. Limit is related to Fast. 
Pig --AtLocation--> Mud --IsA--> River <--Antonym--> Land 
Insurance <--RelatedTo--> Coverage --IsA--> Extent <--RelatedTo--> Limit <--RelatedTo--> Fast 