Radio is related to Wave. Wave is a type of Weather. Weather is related to Environmental. 
Alarm would make you want to Awake. one thing you do when you Awake is Stretch. Stretch is similar to Long. Long is related to Road. 
Radio <--RelatedTo--> Wave --IsA--> Weather <--RelatedTo--> Environmental 
Alarm --CausesDesire--> Awake --HasSubevent--> Stretch <--SimilarTo--> Long <--RelatedTo--> Road 