Oxygen is related to Breath. Breath is a synonym of Breathing. Breathing is related to Blow. Blow is related to Soup. 
Neutral is the opposite of Hot. Hot is similar to Fresh. Fresh is related to Nice. Nice is related to Farmer. 
Oxygen <--RelatedTo--> Breath <--Synonym--> Breathing <--RelatedTo--> Blow <--RelatedTo--> Soup 
Neutral <--Antonym--> Hot <--SimilarTo--> Fresh <--RelatedTo--> Nice <--RelatedTo--> Farmer 