Current is a synonym of Electricity. you are likely to find Electricity in/at/on Church. 
Temple is part of Head. Temple is related to Greek. Greek is related to Column. Column is related to Structural. 
Current <--Synonym--> Electricity --AtLocation--> Church 
Head <--PartOf-- Temple <--RelatedTo--> Greek <--RelatedTo--> Column <--RelatedTo--> Structural 