Problem with "3 words"

I would like to give some feedback about ...

From: http://www.checkio.org/mission/three-words/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; rv:43.0) Gecko/20100101 Firefox/43.0

I've got an answer "your result is True, right result: true" I tried Google Chrome and Mozilla - appears the same text. "True" in my code is written without cyrillic.