Trouble is a type of Pregnancy. Trouble is part of Life. Eating can be used for Life. 
Rapid is related to Race. Race is related to Do. Do is related to Look. Look is related to Glimpse. 
Pregnancy <--IsA-- Trouble --PartOf--> Life <--UsedFor-- Eating 
Rapid <--RelatedTo--> Race <--RelatedTo--> Do <--RelatedTo--> Look <--RelatedTo--> Glimpse 