Radiation is a type of Spread. Spread is related to News. 
Apply is a synonym of Give. Give is related to Return. Return is related to Profit. Profit is related to Increased. 
Radiation --IsA--> Spread <--RelatedTo--> News 
Apply <--Synonym--> Give <--RelatedTo--> Return <--RelatedTo--> Profit <--RelatedTo--> Increased 