def guess_contains(lines):
    """Tries to determine if a file includes expat
    """
    count = 0
    should_contain = [
        'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer', 'LGPL']
    for line in lines:
        for i in should_contain:
            if i in line:
                count += 1
    return True if count >= len(should_contain) else False
