Heat is related to Cook. the last thing you do when you Cook is Stir. Stir is a type of Work. Work can Pain. 
Lighting is related to Burn. Burn is related to Excessive. Excessive is a synonym of Extreme. Extreme is related to Pain. 
Heat <--RelatedTo--> Cook --HasLastSubevent--> Stir --IsA--> Work --CapableOf--> Pain 
Lighting <--RelatedTo--> Burn <--RelatedTo--> Excessive <--Synonym--> Extreme <--RelatedTo--> Pain 