Pro is related to Reduction. Reduction is related to Exercise. Exercise is related to Blow. Blow is related to Soup. 
Elect is related to Result. Result is related to Output. Produce is a type of Output. Productivity is derived from Produce. 
Pro <--RelatedTo--> Reduction <--RelatedTo--> Exercise <--RelatedTo--> Blow <--RelatedTo--> Soup 
Elect <--RelatedTo--> Result <--RelatedTo--> Output <--IsA-- Produce <--DerivedFrom-- Productivity 