Carpet is related to Grass. Grass is related to Short. Short is related to Time. Time is related to Dawn. 
Steam is related to Heat. Heat is related to Sensation. 
Carpet <--RelatedTo--> Grass <--RelatedTo--> Short <--RelatedTo--> Time <--RelatedTo--> Dawn 
Steam <--RelatedTo--> Heat <--RelatedTo--> Sensation 