<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_profile_location(tweet):
 """ Get user's derived location data from the profile location enrichment If unavailable, returns None. Args: tweet (Tweet or dict):
 Tweet object or dictionary Returns: dict: more information on the profile locations enrichment here: http://support.gnip.com/enrichments/profile_geo.html Example: Caveats: This only returns the first element of the 'locations' list. I'm honestly not sure what circumstances would result in a list that is more than one element long. """

    if is_original_format(tweet):
        try:
            return tweet["user"]["derived"]["locations"][0]
        except KeyError:
            return None
    else:
        try:
            location = tweet["gnip"]["profileLocations"][0]
            reconstructed_original_format = {}
            if location["address"].get("country", None) is not None:
                reconstructed_original_format["country"] = location["address"]["country"]
            if location["address"].get("countryCode", None) is not None:
                reconstructed_original_format["country_code"] = location["address"]["countryCode"]
            if location["address"].get("locality", None) is not None:
                reconstructed_original_format["locality"] = location["address"]["locality"]
            if location["address"].get("region", None) is not None:
                reconstructed_original_format["region"] = location["address"]["region"]
            if location["address"].get("subRegion", None) is not None:
                reconstructed_original_format["sub_region"] = location["address"]["subRegion"]
            if location.get("displayName", None) is not None:
                reconstructed_original_format["full_name"] = location["displayName"]
            if location.get("geo", None) is not None:
                reconstructed_original_format["geo"] = location["geo"]
            return reconstructed_original_format
        except KeyError:
            return None