from datetime import datetime


def parse_date(date):
    """Parse date to human readable format

    Args:
        date: `datetime.date` object
    Returns:
        str: human readable relative time
    """
    today = datetime.today().date()
    if date == today:
        return 'today'
    else:
        days_ago = (today - date).days
        plural_suffix = 's' if days_ago > 1 else ''
        return '{} day{} ago'.format(days_ago, plural_suffix)