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:
| line | speed | length | construction begun | expected start of revenue services |
| svilengrad - turkish border | 200 km / h | 19 km | 2010 | 2012 |
| dimitrovgrad - svilengrad | 200 km / h | 70 km | 2012 | 2013 |
| plovdiv - burgas | 200 km / h | 291 km | 2010 | 2013 |
| sofia - plovdiv | 200 km / h | 156 km | 2010 | 2015 |
| sofia - radomir | 200 km / h | 53 km | 2014 | 2017 |
| sofia - dragoman | 200 km / h | 44 km | 2014 | 2017 |
| vidin - sofia | 200 km / h | 222 km | unknown | 2020 |
Title:
high - speed rail in europe
Statement:
the plovdiv - burgas line has a length of 53 km
Answer:
refuted