Average is related to Calculation. Calculation is related to Divide. Divide is the opposite of Unite. Unite is a type of Change. 
Form is related to Sheet. Blank is a type of Sheet. Blank is similar to Complete. Complete is related to Total. 
Average <--RelatedTo--> Calculation <--RelatedTo--> Divide <--Antonym--> Unite --IsA--> Change 
Form <--RelatedTo--> Sheet <--IsA-- Blank <--SimilarTo--> Complete <--RelatedTo--> Total 