Desk can be used for Writing. one thing you do when you Writing is Expand. Expand is a synonym of Spread. Radiation is a type of Spread. 
Break is related to Law. Law is related to Order. Order is a synonym of Class. Class is related to Second. 
Desk --UsedFor--> Writing --HasSubevent--> Expand <--Synonym--> Spread <--IsA-- Radiation 
Break <--RelatedTo--> Law <--RelatedTo--> Order <--Synonym--> Class <--RelatedTo--> Second 