Cancer is a type of Animal. Animal is related to Rub. Rub is related to Movement. 
Evil is a type of Bad. Bad is related to Noise. Noise is a type of Wave. Wave is the opposite of Water. 
Cancer --IsA--> Animal <--RelatedTo--> Rub <--RelatedTo--> Movement 
Evil --IsA--> Bad <--RelatedTo--> Noise --IsA--> Wave <--Antonym--> Water 