Instance is related to Moment. Moment is related to Quick. Quick is the opposite of Dense. 
Cope is a synonym of Deal. Deal is a synonym of Share. Share entails/necessarily involves Separate. 
Instance <--RelatedTo--> Moment <--RelatedTo--> Quick <--Antonym--> Dense 
Cope <--Synonym--> Deal <--Synonym--> Share --Entails--> Separate 