Input: 

As the U.S. military evacuated Saigon in the Spring of 1975, President Gerald Ford approved Operation Babylift, the plan to transport thousands of Vietnamese children to adoptive parents in the West, hundreds of them at a time, before the U.S. was forced out of the country.

Sentence: The parents adopted the children before they were transported.

Output: It's impossible to say


Input: 

Kittens<br>I found out my cat is pregnant. I had no idea why she was making all these funny noises. She would hide a lot under my bed. A friend told me this behavior was of a pregnant animal. I cannot wait to see the kittens.

Sentence: I am excited to see the kittens

Output: Yes


Input: 

Maybe we should ask. So if you're asking me if I feel it's enough or if it's -- I'm not sure what it is you're asking me about that. I feel, actually, that there are topics that probably could be explored in more detail, but I understand that there are limitations within any textbook that you have to hit on core concepts. I believe that core concepts are covered, but I think that, in my opinion, what I've looked at, it's historical context.

Sentence: historical context has been reviewed by sam

Output: It's impossible to say


Input: 

We would not advance this argument, but the Government has offered an argument in a parallel case that suggests a distinction between the '76 act and this case. That's not been briefed here. It's been grounded in their claim that the treaty power creates some special power.

Sentence: The '76 act is from 1876.

Output:
It's impossible to say