> 
> 0

> 
> Natalie Portman
James T. Kirk
Her Majesty The Queen
Drake

> 4

> 
> Dan
Her Majesty The Queen
Natalie Portman

> LOAD is invalid.

> 
> Natalie Portman
Her Majesty The Queen

> 2

> 
> Natalie Portman
James T. Kirk
Her Majesty The Queen
Drake
Dan

> 5

> 
> James T. Kirk
Drake

> 2

> 
> Dan

> 1

> 
> Natalie Portman
James T. Kirk
Her Majesty The Queen
Drake

> 4

> 
> 
> 0

> Dan is not in A.

> Dan is in B.

> 
> Natalie Portman
James T. Kirk
Her Majesty The Queen
Drake
Bob the Builder

> 
> Natalie Portman
James T. Kirk
Her Majesty The Queen
Drake
Bob the Builder

> 
> James T. Kirk
Her Majesty The Queen
Drake
Bob the Builder

> Natalie Portman is not in A.

> First source class name missing.

> Second source class name missing.

> Destination class name missing.

>