Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| issued | type | design | serial format | serials issued |
| 1973 - 1974 | passenger | yellow on blue | ab - 12 - 34 | aa - 00 - 00 to zz - 99 - 99 |
| 1974 | passenger | yellow on blue | 12 - 34 - 56 | 00 - 00 - 00 to unknown |
| 1975 - 1976 | passenger | black on yellow | abc - 123 | unknown |
| 1977 - 1980 | passenger | black on yellow | abc - 123 | unknown |
| 1981 | passenger | black on yellow | abc - 123 | unknown |
| 1982 | passenger | black on yellow | abc - 123 | unknown |
| 1983 - 1984 | passenger | black on yellow | abc - 123 | eaa - 000 to ezz - 999 |
Title:
none
Statement:
the serial numbers issued of the format ab - 12 - 34 were yellow on blue
Answer:
supported