• I have correct result but it is not accepted.

 

I have correct result but it is not accepted. Your result: {"sophia"} Right result: {"sophia"}

From: http://www.checkio.org/mission/friends/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0
Created at: Feb. 25, 2016, 9:20 p.m.; Updated at: Feb. 29, 2016, 8:54 p.m.
friends.txt