Problem: Edward II is a Renaissance or Early Modern period play written by Christopher Marlowe. It is one of the earliest English history plays. The full title of the first publication is The Troublesome Reign and Lamentable Death of Edward the Second, King of England, with the Tragical Fall of Proud Mortimer.

Based on the paragraph above can we conclude that "Edward II was the first publication written by Christopher Marlowe"?

A: It's impossible to say

Problem: How to disinfect drinking water in the wilderness<br>Pack the proper water purifying equipment and chemicals. If you're backpacking you should have a high quality pump with a filter, and/or purifying tablets. Immerse the end of the pump where water flows in in the clearest portion of the water source that you can see.

Based on the paragraph above can we conclude that "the water has to be standing still"?

A: No

Problem: In an address to the IAEA board of governors in Vienna, Hans Blix said a technical team that visited North Korea last month found that "facilities subject to the freeze were not in operation and that construction work had stopped."

Based on the paragraph above can we conclude that "Hans addressed the board in Vienna"?

A:
Yes