Evening is related to Afternoon. Afternoon is the opposite of Lunch. Lunch is related to Bag. 
Main is related to Busy. Busy is a different concept from Rest. Rest is a synonym of Breathe. 
Evening <--RelatedTo--> Afternoon <--Antonym--> Lunch <--RelatedTo--> Bag 
Main <--RelatedTo--> Busy <--DistinctFrom--> Rest <--Synonym--> Breathe 