Tie is a type of Equality. Equality is the opposite of Discrimination. Racism is a type of Discrimination. Racism is a type of Bias. 
Court is a type of Assembly. Court is related to Law. Law is related to Restriction. Restriction is a synonym of Limitation. 
Tie --IsA--> Equality <--Antonym--> Discrimination <--IsA-- Racism --IsA--> Bias 
Assembly <--IsA-- Court <--RelatedTo--> Law <--RelatedTo--> Restriction <--Synonym--> Limitation 