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:
| emperor | heir | relationship to emperor and status | became heir | ceased to be heir | next in line |
| francis ii | crown prince ferdinand | son heir apparent | 11 august 1804 , foundation of the empire | 2 march 1835 , succeeded | archduke joseph franz 1804 - 1807 , brother |
| francis ii | crown prince ferdinand | son heir apparent | 11 august 1804 , foundation of the empire | 2 march 1835 , succeeded | archduke franz karl 1807 - 1835 , brother |
| ferdinand i | archduke franz karl | brother heir presumptive | 2 march 1835 , brother succeeded | 2 december 1848 , renounced his succession rights | archduke franz '1835 - 1848 , son |
| franz joseph i | archduke ferdinand maximilian | brother heir presumptive | 2 december 1848 , brother succeeded | 21 august 1858 , son born to emperor | archduke karl ludwig 1848 - 1858 , brother |
| franz joseph i | crown prince rudolf | son heir apparent | 21 august 1858 , born | 30 january 1889 , died | archduke ferdinand maximilian 1858 - 1864 , uncle |
| franz joseph i | crown prince rudolf | son heir apparent | 21 august 1858 , born | 30 january 1889 , died | archduke karl ludwig 1864 - 1889 , uncle |
| franz joseph i | archduke karl ludwig | brother heir presumptive | 30 january 1889 , nephew died | 1 february 1889 , renounced his succession rights | archduke franz ferdinand 1889 , son |
| franz joseph i | archduke karl | grandnephew heir presumptive | 28 june 1914 , death of his uncle | 21 november 1916 , succeeded | archduke maximilian eugen 1906 - 1912 , brother |
| franz joseph i | archduke karl | grandnephew heir presumptive | 28 june 1914 , death of his uncle | 21 november 1916 , succeeded | archduke otto 1912 - 1916 , son |
| karl i | crown prince otto | son heir apparent | 21 november 1916 , father succeeded | 12 november 1918 , empire replaced by republic | archduke robert 1916 - 1918 , brother |
Title:
list of heirs to the austrian throne
Statement:
karl i ceased to be the heir to the austrian throne before 1918
Answer:
refuted