Class is a type of League. Class is related to Like. Like is related to Ill. 
Index is a type of Determine. Determine is a synonym of Watch. Watch is related to Object. Object is related to Egg. 
League <--IsA-- Class <--RelatedTo--> Like <--RelatedTo--> Ill 
Index --IsA--> Determine <--Synonym--> Watch <--RelatedTo--> Object <--RelatedTo--> Egg 