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:
| ship | laid down | builder | engine - builder | launched | completed | disposition | fate |
| comus | 17 august 1876 | john elder | john elder | 3 april 1878 | 23 october 1879 | struck 1902 | sold for breaking 1904 |
| curacoa | 17 august 1876 | john elder | humphrys , tennant & company | 18 april 1878 | 24 february 1880 | seagoing tender | sold for breaking 1904 |
| champion | 17 august 1876 | john elder | john elder | 1 july 1878 | 7 december 1880 | stokers' training ship | sold for breaking 1919 |
| cleopatra | 17 august 1876 | john elder | humphrys , tennant & company | 1 august 1878 | 24 august 1880 | training ship , overflow hulk | sold 1931 , broken up 1933 |
| carysfort | 17 august 1876 | john elder | john elder | 26 september 1878 | 15 september 1880 | paid off 1901 | sold for breaking 1899 |
| conquest | 17 august 1876 | john elder | humphrys , tennant & company | 28 october 1878 | 18 april 1885 | paid off 1894 | sold for breaking 1899 |
| constance | 14 september 1878 | chatham | john penn and son | 9 june 1880 | 3 october 1882 | in reserve 1889 | sold for breaking 1899 |
| canada | 7 july 1879 | portsmouth | j & g rennie | 26 august 1881 | 1 may 1883 | in reserve 1896 | sold for breaking ca 1898 |
Title:
comus - class corvette
Statement:
exactly half of the ships built by john elder were launched in the first half of the year 1878
Answer:
refuted