Committee is related to Body. Body is related to Organic. Organic is the opposite of Functional. 
Board is a synonym of Meal. Meal is related to Lunch. Lunch is related to Tray. 
Committee <--RelatedTo--> Body <--RelatedTo--> Organic <--Antonym--> Functional 
Board <--Synonym--> Meal <--RelatedTo--> Lunch <--RelatedTo--> Tray 