Ill is a synonym of Ugly. Ugly is related to Duck. Duck is related to Web. Web is a type of Fabric. 
Sin is related to Evil. Scheme can be Evil. Scheme is a synonym of Conspiracy. 
Ill <--Synonym--> Ugly <--RelatedTo--> Duck <--RelatedTo--> Web --IsA--> Fabric 
Sin <--RelatedTo--> Evil <--HasProperty-- Scheme <--Synonym--> Conspiracy 