Pink is a type of Flower. Flower is the opposite of Seed. Seed is a type of Process. Process is related to Make. 
Thumb is related to Toe. Toe is a type of Walk. 
Pink --IsA--> Flower <--Antonym--> Seed --IsA--> Process <--RelatedTo--> Make 
Thumb <--RelatedTo--> Toe --IsA--> Walk 