What does "my nephew is in the US" mean in English for Spanish?

In English for Spanish, "my nephew is in the US" means:

mi sobrino está en los EE.UU.

Listen to "my nephew is in the US": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 3, Level 1, Scene 6