I'm not a native speaker,trying to understand few things.
Here soda is an object. soda has some properties like colour, taste, name ,price.
The Taste of soda.
The Colour of soda.
The Name of soda.
The Price of soda.
Now the question is: Why would we say-
"The family of 3".
Here "3" is an object but It doesn't have a property family.
"she is the girl of my dream"
"Dream" doesn't have a property called "the girl".
I'm trying to understand how come girl is related to dream and family is related to 3.