you are likely to find Stream in/at/on Bridge. you are likely to find Rock in/at/on Bridge. Moon is made of Rock. 
Bold is etymologically related to Build. Build is related to Action. Action is related to Storm. Storm is a type of Attack. 
Stream --AtLocation--> Bridge <--AtLocation-- Rock <--MadeOf-- Moon 
Bold --EtymologicallyRelatedTo--> Build <--RelatedTo--> Action <--RelatedTo--> Storm --IsA--> Attack 