def check_first(claimset_list):
    """
    Checks claims begin at 1.

    :param claimset_list: set of (number, text) tuples for claims.
    :type claimset_list: tuples (int, str)
    :return: true if first claim = 1; false if check fails
    """
    try:
        if claimset_list[0][0] == 1:
            return True
        else:
            return False
    except:
        return False
