Bug is related to Sleep. Sleep is related to Brain. Brain is related to Shock. Shock is related to Hurt. 
Sigh is a type of Sound. you are likely to find Sound in/at/on Movie. 
Bug <--RelatedTo--> Sleep <--RelatedTo--> Brain <--RelatedTo--> Shock <--RelatedTo--> Hurt 
Sigh --IsA--> Sound --AtLocation--> Movie 