Tune is a type of Pitch. Tune is related to Opportunity. Opportunity is related to Chance. 
Independence can be Precious. Independence is related to Pen. Pen is a synonym of Compound. Compound is a synonym of Combination. 
Pitch <--IsA-- Tune <--RelatedTo--> Opportunity <--RelatedTo--> Chance 
Precious <--HasProperty-- Independence <--RelatedTo--> Pen <--Synonym--> Compound <--Synonym--> Combination 