Teaching requires Degree. Degree is related to Part. Part is related to Toe. 
Sufficient is the opposite of Need. Need is related to Emotion. Emotion is related to Laugh. Clock is etymologically related to Laugh. 
Teaching --HasPrerequisite--> Degree <--RelatedTo--> Part <--RelatedTo--> Toe 
Sufficient <--Antonym--> Need <--RelatedTo--> Emotion <--RelatedTo--> Laugh <--EtymologicallyRelatedTo-- Clock 