Cab is a type of Word. Word is a synonym of Express. Express is related to Delivery. Delivery is a type of Birth. 
you would Climb because Exercise. one thing you do when you Swimming is Exercise. 
Cab --IsA--> Word <--Synonym--> Express <--RelatedTo--> Delivery --IsA--> Birth 
Climb --MotivatedByGoal--> Exercise <--HasSubevent-- Swimming 