Input: 

BERLIN — German police say they're investigating the explosion of an "apparent pyrotechnical device" in a subway station in the northern port city of Hamburg. Hamburg police said on Twitter there was a "small detonation" on the platform of the Veddel subway station early Sunday evening. They say a pane of glass was damaged, but no injuries were reported. Police say they have information about a suspect and the investigation is continuing.

Sentence: Police have closed the investigation.

Output: No


Input: 

Christine Harper is an award-winning journalist who works as the chief financial correspondent for Bloomberg News. She has worked for the company since 1998 when she joined the London office. She has reported on Wall Street from New York since April 2006, and is noted for her coverage of Goldman Sachs and Morgan Stanley.

Sentence: Goldman Sachs was covered along with Morgan Stanley.

Output: Yes


Input: 

The Order of the Star and Eagles of Ghana is an order created by President John Kufuor of Ghana in June 2008. The award superseded the Order of the Star of Ghana as the highest national decoration. It is to be presented only to those who have obtained the office of President of the Republic of Ghana.

Sentence: The medal is heavy

Output: It's impossible to say


Input: 

The dam covering what used to be its football pitch fill up with millions of tons of poisonous mining waste.

Sentence: The football pitch was in an unsafe location

Output:
It's impossible to say