Small is related to Chicken. Chicken is related to Head. Head is part of Pin. 
Hurt is related to Ice. you are likely to find Ice in/at/on Refrigerator. you are likely to find Pork in/at/on Refrigerator. 
Small <--RelatedTo--> Chicken <--RelatedTo--> Head --PartOf--> Pin 
Hurt <--RelatedTo--> Ice --AtLocation--> Refrigerator <--AtLocation-- Pork 