def verify(data):
    """
    Sanity check on read CSV data.

    :param list data: Read data as list of lists
    :return: Same data but with headers removed
    :rtype: list of lists
    """
    headers = data.pop(0)
    expected = ['Date', 'Time', 'Amount', 'Location', 'Notes']
    check = [e for e in expected for h in headers if e == h]
    assert check == expected

    return data