Next point to the door you have not selected and say I am choosing and change your choice after the host open the door with a goat behind it.
Finally change your choice after the host open the door with a goat behind it. Next point to the door you have not selected and say "I am choosing this door".
Next point to the door you have not selected and say "I am choosing this door". Finally change your choice after the host open the door with a goat behind it.
Next point to the door you have not selected and say "I am choosing this door". Finally change your choice after the host open the door with a goat behind it.