Input:

Most of the life of Petko Kiryakov was not unveiled by historians but by the prominent Bulgarian writer Nikolai Haitov, who wrote a novel and a script which was turned into a TV series, which became a favourite of most Bulgarians.

Sentence: Petko was the subject historian writers

Output: No

Input:

In lending support to what the previous speaker from Peterborough said to a grassroots movement, we are recognizing that the insanity of land mines and the insanity of war that maims hundreds of thousands, indeed millions of people, is something that we must stop and work against.

Sentence: Peterborough is currently a war zone.

Output: It's impossible to say

Input:

The Bridge (Danish: "Broen" ; Swedish: "Bron" ) is a Scandinavian crime television series created and written by Hans Rosenfeldt. A joint creative and financed production between Sweden's Sveriges Television and Denmark's DR, it has been shown in over 100 countries.

Sentence: Hans Rosenfeldt is American

Output: No

Input:

Well, I'm aware that that statement was modified several times. In fact, there were different drafts of that statement that I had seen. The exact modification, are you telling me that from the time that they had approved it in October, it was modified before it was read in January? Because it was again read in, I believe, like May, and there was a change from that point in time, unless I'm incorrect and that is the change that I'm thinking of.

Sentence: The statement will be changed again in 2025

Output:
It's impossible to say