Birth is etymologically related to Bear. Bear is related to Classic. Classic is a type of Film. Holiday is a type of Film. 
Freshman is derived from Fresh. Fresh is related to Tree. 
Birth --EtymologicallyRelatedTo--> Bear <--RelatedTo--> Classic --IsA--> Film <--IsA-- Holiday 
Freshman --DerivedFrom--> Fresh <--RelatedTo--> Tree 