Vanish is a type of End. Weekend is derived from End. Weekend is a type of Spend. Serve is a type of Spend. 
Upset is related to Depression. Depression is related to Mental. 
Vanish --IsA--> End <--DerivedFrom-- Weekend --IsA--> Spend <--IsA-- Serve 
Upset <--RelatedTo--> Depression <--RelatedTo--> Mental 