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:
| unit | type | net power | total power | construction start | construction finish | commercial operation | shut down |
| chinon a1 | magnox - reactor | 70 mw | 80 mw | 01.02.1957 | 14.06.1963 | 01.02.1964 | 16.04.1973 |
| chinon a2 | magnox - reactor | 210 mw | 230 mw | 01.08.1959 | 24.02.1965 | 24.02.1965 | 14.06.1985 |
| chinon a3 | magnox - reactor | 480 mw | 480 mw | 01.03.1961 | 04.08.1966 | 04.08.1966 | 15.06.1990 |
| chinon b1 | pwr | 905 mw | 954 mw | 01.03.1977 | 30.11.1982 | 01.02.1984 | qualified to operate until 2024 |
| chinon b2 | pwr | 905 mw | 954 mw | 01.03.1977 | 29.11.1983 | 01.08.1984 | qualified to operate until 2024 |
| chinon b3 | pwr | 905 mw | 954 mw | 01.10.1980 | 20.10.1986 | 04.03.1987 | qualified to operate until 2027 |
Title:
chinon nuclear power plant
Statement:
the shut down state of the unit that 's been in commercial operation since 01.02.1984 is qualified to operate until 2027
Answer:
refuted