Memory is related to Ability. Ability is the opposite of Blind. Blind is the opposite of Look. Look is related to Seek. 
Clock is related to General. General is related to Boss. 
Memory <--RelatedTo--> Ability <--Antonym--> Blind <--Antonym--> Look <--RelatedTo--> Seek 
Clock <--RelatedTo--> General <--RelatedTo--> Boss 