Tension is a type of Stress. Stress is a synonym of Emphasize. Emphasize is a synonym of Reinforce. Reinforce is a synonym of Learn. 
Bid is part of Bridge. Ship have Bridge. Ship is related to Battle. Assault is a type of Battle. 
Tension --IsA--> Stress <--Synonym--> Emphasize <--Synonym--> Reinforce <--Synonym--> Learn 
Bid --PartOf--> Bridge <--HasA-- Ship <--RelatedTo--> Battle <--IsA-- Assault 