Attribute is related to Hard. Hard is related to Drop. Drop is related to Decline. Decline is a different concept from Recover. 
Like is related to Eye. Eye is related to Organism. 
Attribute <--RelatedTo--> Hard <--RelatedTo--> Drop <--RelatedTo--> Decline <--DistinctFrom--> Recover 
Like <--RelatedTo--> Eye <--RelatedTo--> Organism 