you are likely to find Illness in/at/on Stomach. Illness is a different concept from Health. Health is related to Benefit. 
Rabbit is related to Straw. Straw is related to Drinking. 
Stomach <--AtLocation-- Illness <--DistinctFrom--> Health <--RelatedTo--> Benefit 
Rabbit <--RelatedTo--> Straw <--RelatedTo--> Drinking 