Straw is related to Brown. Brown is related to Horse. Horse is related to Face. 
Surprise is related to Total. Total is related to Finger. Nail is part of Finger. 
Straw <--RelatedTo--> Brown <--RelatedTo--> Horse <--RelatedTo--> Face 
Surprise <--RelatedTo--> Total <--RelatedTo--> Finger <--PartOf-- Nail 