Use is related to Wave. Wave is related to Frequency. 
Bat is related to Black. Black is related to Lead. Lead is related to Inside. Inside is related to Lobby. 
Use <--RelatedTo--> Wave <--RelatedTo--> Frequency 
Bat <--RelatedTo--> Black <--RelatedTo--> Lead <--RelatedTo--> Inside <--RelatedTo--> Lobby 