Accident is a synonym of Stroke. Stroke is related to Midnight. Midnight is related to Time. Time is related to Offer. 
Provision is a type of Supply. Step is a type of Supply. 
Accident <--Synonym--> Stroke <--RelatedTo--> Midnight <--RelatedTo--> Time <--RelatedTo--> Offer 
Provision --IsA--> Supply <--IsA-- Step 