Small is related to Sea. Sea is related to Shell. Shell is related to Like. Like is related to Bay. 
Identity is the opposite of Difference. Different is derived from Difference. Different is similar to Opposite. Opposite is the opposite of Like. 
Small <--RelatedTo--> Sea <--RelatedTo--> Shell <--RelatedTo--> Like <--RelatedTo--> Bay 
Identity <--Antonym--> Difference <--DerivedFrom-- Different <--SimilarTo--> Opposite <--Antonym--> Like 