Blow is a synonym of Disaster. Disaster is related to Relief. Relief is related to Shade. Shade is related to Blind. 
Gas is related to Vehicle. Craft is a type of Vehicle. Craft is related to Art. Art is related to Rat. 
Blow <--Synonym--> Disaster <--RelatedTo--> Relief <--RelatedTo--> Shade <--RelatedTo--> Blind 
Gas <--RelatedTo--> Vehicle <--IsA-- Craft <--RelatedTo--> Art <--RelatedTo--> Rat 