Spot is a synonym of Glimpse. Glimpse is related to Quick. Quick is similar to Intelligent. Person wants (to) Intelligent. 
Mouth is related to Dry. Dry is related to Nest. Nest is related to Rest. 
Spot <--Synonym--> Glimpse <--RelatedTo--> Quick <--SimilarTo--> Intelligent <--Desires-- Person 
Mouth <--RelatedTo--> Dry <--RelatedTo--> Nest <--RelatedTo--> Rest 