Forest is related to Large. Large is related to Ocean. Ocean is the opposite of Mass. Mass is related to Physics. 
one thing you do when you Climb is Fall. Climb is related to Vertical. 
Forest <--RelatedTo--> Large <--RelatedTo--> Ocean <--Antonym--> Mass <--RelatedTo--> Physics 
Fall <--HasSubevent-- Climb <--RelatedTo--> Vertical 