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:
| model | build date | total produced | wheel arrangement | prime mover | power output |
| c - 424 | 1963 - 1967 | 92 | b - b | 16 - 251b | nan |
| m - 420 | 1973 - 1977 | 92 | b - b | 12 - 251c | nan |
| m - 420b | 1975 | 8 | b - b | 12 - 251c | nan |
| m - 420r | 1974 - 1975 | 5 | b - b | 12 - 251c | nan |
| m - 420tr | 1972 | 2 | b - b | 12 - 251c | nan |
| m - 420tr | 1975 | 15 | b - b | 12 - 251c | nan |
| m - 424 | 1980 | 19 | b - b | 16 - 251b | nan |
Title:
list of mlw diesel locomotives
Statement:
the model c - 424 and model m - 424 locomotives areone of two models that had the 15 - 251b prime mover
Answer:
refuted