Accurate is related to Exact. Exact is a synonym of Demand. Demand is related to Obligation. Obligation is related to Promise. 
New is related to Exploration. Cave can be used for Exploration. Cave can be used for Darkness. 
Accurate <--RelatedTo--> Exact <--Synonym--> Demand <--RelatedTo--> Obligation <--RelatedTo--> Promise 
New <--RelatedTo--> Exploration <--UsedFor-- Cave --UsedFor--> Darkness 