Input: 

The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, and on to Grassy Lake, where it joins with the Bow River to form the South Saskatchewan River, which eventually drains into the Hudson Bay.

Sentence: The river flows in one direction throught the rocky mountains

Output: It's impossible to say


Input: 

Elizabeth Dowdeswell is the Under Secretary General at the United Nations Offices at Nairobi and Executive Director of the United Nations Environment Programme.

Sentence: Elizabeth Dowdeswell was Executive Director first.

Output: It's impossible to say


Input: 

Skiing<br>Franklin was a very good skier. He had decided to come up and hit the slopes for a weekend. He was flying down all of the hills and trails. Franklin met up with some friends as well and they skied. He had an incredible time that weekend skiing.

Sentence: Franklin brought all his own gear to ski that weekeend

Output: It's impossible to say


Input: 

Well, let me share with you why I have the issue that I have. About a week and a half ago I had a telephone dialogue with Eric because I had proposed to Eric the possibility that in light of your most current order and because you took out the issues of biases and things of that nature and because we're going to be called to trial by Eric, that maybe he should be speaking to Pat to see whether they would be willing to accept the affidavit in lieu of the testimony.

Sentence: Eric talked on the phone. 

Output:
Yes