Hand is related to Leaf. Pitcher is a type of Leaf. Pitcher is a type of Player. Player is a synonym of Participant. 
Homework is the opposite of Test. Test is related to Educational. Educational is related to Degree. 
Hand <--RelatedTo--> Leaf <--IsA-- Pitcher --IsA--> Player <--Synonym--> Participant 
Homework <--Antonym--> Test <--RelatedTo--> Educational <--RelatedTo--> Degree 