You will be given a definition of a task first, then some input of the task.
In this task, you will be given a passage to read. A fill in the blank question will be given to you.  Your answer should fit the blank appropriately.

 With the new synagogue , an organ was introduced into religious service . The small minority of Orthodox Jews found this change to be intolerable , and they began to hold their services separately , in rented rooms . In the 1880 earthquake , the synagogue suffered minor damage and was repaired the following year . Largely due to immigration from Hungary , Bohemia and Moravia , the Jewish population of Zagreb quickly grew in size : from 1 @,@ 285 members in 1887 to 3 @,@ 237 members in 1900 , and then to 5 @,@ 970 members in 1921 . The synagogue became too small to accommodate the needs of the ever @-@ growing community . In 1921 a renovation was undertaken to increase the number of available seats . A 1931 plan to increase the capacity to 944 seats was ultimately abandoned . A central heating system was installed in 1933 . fill in the blank  :   With the new __________________ , an organ was introduced into religious service . 
Output:
 synagogue 