Spot is a synonym of Touch. Finger is a type of Touch. Finger can be used for Warn. 
Alien is related to Illegal. Illegal is similar to Hot. Hot is related to Summer. Summer is related to May. 
Spot <--Synonym--> Touch <--IsA-- Finger --UsedFor--> Warn 
Alien <--RelatedTo--> Illegal <--SimilarTo--> Hot <--RelatedTo--> Summer <--RelatedTo--> May 