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:
| state (class) | vacator | reason for change | successor | date of successors formal installation |
| delaware (1) | george r riddle (d) | died march 29 , 1867 | james a bayard , jr (d) | april 5 , 1867 |
| arkansas (2) | vacant | arkansas re - admitted to the union | alexander mcdonald (r) | june 22 , 1868 |
| arkansas (3) | vacant | arkansas re - admitted to the union | benjamin f rice (r) | june 23 , 1868 |
| florida (3) | vacant | florida re - admitted to the union | thomas w osborn (r) | june 25 , 1868 |
| louisiana (2) | vacant | louisiana re - admitted to the union | john s harris (r) | july 8 , 1868 |
| louisiana (3) | vacant | louisiana re - admitted to the union | william p kellogg (r) | july 9 , 1868 |
| alabama (2) | vacant | alabama re - admitted to the union | willard warner (r) | july 13 , 1868 |
| alabama (3) | vacant | alabama re - admitted to the union | george e spencer (r) | july 13 , 1868 |
| maryland (1) | reverdy johnson (d) | resigned july 10 , 1868 | william p whyte (d) | july 13 , 1868 |
| north carolina (2) | vacant | north carolina re - admitted to the union | joseph c abbott (r) | july 14 , 1868 |
| north carolina (3) | vacant | north carolina re - admitted to the union | john pool (r) | july 14 , 1868 |
| south carolina (2) | vacant | south carolina re - admitted to the union | thomas j robertson (r) | july 15 , 1868 |
| south carolina (3) | vacant | south carolina re - admitted to the union | frederick a sawyer (r) | july 16 , 1868 |
Title:
40th united states congress
Statement:
arkansas is one of the 2 states who had a successor formal installation during the year of 1868
Answer:
refuted