Provision is related to Supply. Supply is related to Brick. 
Relevant is related to Current. Current is related to Energy. Energy is related to Fire. Fire is related to Earth. 
Provision <--RelatedTo--> Supply <--RelatedTo--> Brick 
Relevant <--RelatedTo--> Current <--RelatedTo--> Energy <--RelatedTo--> Fire <--RelatedTo--> Earth 