Box is related to Voice. Voice is related to Speak. 
Determine is a synonym of Set. Set is related to Burn. Burn is related to Feeling. Sensitivity is a type of Feeling. 
Box <--RelatedTo--> Voice <--RelatedTo--> Speak 
Determine <--Synonym--> Set <--RelatedTo--> Burn <--RelatedTo--> Feeling <--IsA-- Sensitivity 