Production is related to Movie. you are likely to find Role in/at/on Movie. Role is related to Chief. 
Sound is related to Stimulus. Stimulus is a synonym of Impulse. Impulse is related to Spark. Spark is related to Electricity. 
Production <--RelatedTo--> Movie <--AtLocation-- Role <--RelatedTo--> Chief 
Sound <--RelatedTo--> Stimulus <--Synonym--> Impulse <--RelatedTo--> Spark <--RelatedTo--> Electricity 