Infant is related to Egg. Egg is related to Seed. Seed is a type of Finance. Finance is related to Science. 
Trunk is part of Auto. Horn is part of Auto. Horn is related to Wheel. Wheel is related to Spare. 
Infant <--RelatedTo--> Egg <--RelatedTo--> Seed --IsA--> Finance <--RelatedTo--> Science 
Trunk --PartOf--> Auto <--PartOf-- Horn <--RelatedTo--> Wheel <--RelatedTo--> Spare 