What is one difference between Joshua and Dong Soo?

Responses
A They are different ages.They are different ages.
B One is outgoing, one is quiet and calm.One is outgoing, one is quiet and calm.
C Joshua is American, Dong Soo is Japanese.Joshua is American, Dong Soo is Japanese.
D Joshua repects his brother, Dong Soo does not.Joshua repects his brother, Dong Soo does not.

B One is outgoing, one is quiet and calm.