Coverage is a type of News. News is related to Election. Election is related to Candidate. Candidate is a synonym of Prospect. 
Emission is related to Pollution. Pollution is related to Noise. Noise is related to Tv. 
Coverage --IsA--> News <--RelatedTo--> Election <--RelatedTo--> Candidate <--Synonym--> Prospect 
Emission <--RelatedTo--> Pollution <--RelatedTo--> Noise <--RelatedTo--> Tv 