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:
| year | network | race caller | s host | s analyst | reporters | trophy presentation |
| 1979 | abc | dave johnson | jim mckay | eddie arcaro | howard cosell | jim mckay and howard cosell |
| 1978 | abc | dave johnson | jim mckay | eddie arcaro and howard cosell | howard cosell and chris schenkel | jim mckay and howard cosell |
| 1977 | abc | chic anderson | jim mckay | eddie arcaro and howard cosell | howard cosell | jim mckay and howard cosell |
| 1976 | abc | chic anderson | chris schenkel and jim mckay | howard cosell | howard cosell | jim mckay and howard cosell |
| 1975 | abc | chic anderson | chris schenkel and jim mckay | john rotz and howard cosell | howard cosell | jim mckay and howard cosell |
| 1974 | cbs | chic anderson | jack whitaker | heywood hale broun and frank i wright | heywood hale broun and frank i wright | jack whitaker |
| 1973 | cbs | chic anderson | jack whitaker | heywood hale broun and frank i wright | heywood hale broun and frank i wright | jack whitaker |
| 1972 | cbs | chic anderson | jack whitaker | heywood hale broun and frank i wright | heywood hale broun and pia lindström | jack whitaker |
| 1971 | cbs | chic anderson | jack whitaker | heywood hale broun | heywood hale broun and pia lindström | jack whitaker |
Title:
list of kentucky derby broadcasters
Statement:
cbs was the network who covered the derby during the earliest 4 years
Answer:
supported