Race is related to Rabbit. Rabbit is related to Old. Old is related to Memory. 
Disabled is a type of People. People can be Chinese. Chinese is a type of Language. Language is related to Mathematics. 
Race <--RelatedTo--> Rabbit <--RelatedTo--> Old <--RelatedTo--> Memory 
Disabled --IsA--> People --HasProperty--> Chinese --IsA--> Language <--RelatedTo--> Mathematics 