Car is related to Automobile. Automobile is a synonym of Auto. Auto is related to Gas. Gas is related to Heat. 
Survival is a synonym of Selection. Selection is related to Choice. Choice is related to Large. Large is related to Stick. 
Car <--RelatedTo--> Automobile <--Synonym--> Auto <--RelatedTo--> Gas <--RelatedTo--> Heat 
Survival <--Synonym--> Selection <--RelatedTo--> Choice <--RelatedTo--> Large <--RelatedTo--> Stick 