Remember requires Picture. Remember is a type of Film. Easy is a type of Film. Easy is a synonym of Light. 
Buy is related to Merchant. Merchant is the opposite of Customer. Customer is related to Right. Right is related to Current. 
Picture <--HasPrerequisite-- Remember --IsA--> Film <--IsA-- Easy <--Synonym--> Light 
Buy <--RelatedTo--> Merchant <--Antonym--> Customer <--RelatedTo--> Right <--RelatedTo--> Current 