Testify is a synonym of Evidence. Evidence is a synonym of Tell. Tell is a synonym of Count. Computer can Count. 
Create is related to Produce. Productive is derived from Produce. 
Testify <--Synonym--> Evidence <--Synonym--> Tell <--Synonym--> Count <--CapableOf-- Computer 
Create <--RelatedTo--> Produce <--DerivedFrom-- Productive 