Crawl is related to Swim. Swim is related to Body. Kill is a type of Body. you would Kill because Evil. 
Low is a type of Degree. Degree is related to Calculation. Calculation is a type of Procedure. Routine is a type of Procedure. 
Crawl <--RelatedTo--> Swim <--RelatedTo--> Body <--IsA-- Kill --MotivatedByGoal--> Evil 
Low --IsA--> Degree <--RelatedTo--> Calculation --IsA--> Procedure <--IsA-- Routine 