Walk is a type of Accompany. Walk is related to Go. Go is a synonym of Collapse. 
Danger is related to Need. Need is related to Desperate. Desperate is similar to Brave. 
Accompany <--IsA-- Walk <--RelatedTo--> Go <--Synonym--> Collapse 
Danger <--RelatedTo--> Need <--RelatedTo--> Desperate <--SimilarTo--> Brave 