Wonder is a type of React. Wonder is related to Bread. Host is a type of Bread. 
Recent is related to Reference. Reference is related to Drop. Drop is a synonym of Abandon. Abandon is the opposite of Maintain. 
React <--IsA-- Wonder <--RelatedTo--> Bread <--IsA-- Host 
Recent <--RelatedTo--> Reference <--RelatedTo--> Drop <--Synonym--> Abandon <--Antonym--> Maintain 