Pretend requires Think. Pretend is a synonym of Guess. Guess is related to Action. 
Insect is related to Fly. Fly is related to Animal. you are likely to find Muscle in/at/on Animal. you are likely to find Muscle in/at/on Gym. 
Think <--HasPrerequisite-- Pretend <--Synonym--> Guess <--RelatedTo--> Action 
Insect <--RelatedTo--> Fly <--RelatedTo--> Animal <--AtLocation-- Muscle --AtLocation--> Gym 