def get_raw(tree):
    """Get the exact words in lowercase in the tree object.
    
    Args:
        tree (Tree): Parsed tree structure
    Returns:
        Resulting string of tree ``(Ex: "The red car")``
    """
    if isinstance(tree, Tree):
        words = []
        for child in tree:
            words.append(get_raw(child))
        return ' '.join(words)
    else:
        return tree