def get_header_block(content, depth):
    """
    generates the five column headers as exemplified below:
    AS/1	AS/1/LABEL	AS/1/ID	AS/1/NOTE	AS/1/ABBR
    """
    output = content + "/" + str(depth) + "\t"
    output += content + "/" + str(depth) + "/LABEL\t"
    output += content + "/" + str(depth) + "/ID\t"
    output += content + "/" + str(depth) + "/NOTE\t"
    output += content + "/" + str(depth) + "/ABBR"
    return output