Extensive is similar to Large. Large is related to Fat. Fat is related to Weight. 
Animal is related to Grain. Grain is a type of Leather. Leather is related to Glove. 
Extensive <--SimilarTo--> Large <--RelatedTo--> Fat <--RelatedTo--> Weight 
Animal <--RelatedTo--> Grain --IsA--> Leather <--RelatedTo--> Glove 