 Cold. No, that has nothing to do with cognition. Cognition is not integrated with the cold. No, he has a speech impediment. Now, his hollowness of voice, voice hoarseness, could be explained by the cold. That is perfectly acceptable. He has a speech impediment. Understandable. But not able to think clearly and mumbling, that is not due to cold. That's a speech impediment. No, it's not.