Trading is related to Money. Money can be used for Rich. 
Tiny is the opposite of Giant. Giant is related to Paint. Paint is related to Candy. Candy is related to Bar. 
Trading <--RelatedTo--> Money --UsedFor--> Rich 
Tiny <--Antonym--> Giant <--RelatedTo--> Paint <--RelatedTo--> Candy <--RelatedTo--> Bar 