*Question*
This is a correct answer to the following question about Prime Meridian. Yes or no? Answer: A prime meridian and its opposite in a 360-system, the 180th meridian (at 180 longitude), form a great circle . Question: what is the significance of Greenwich England
**Answer**
No

*Question*
This is a correct answer to the following question about Fire extinguisher. Yes or no? Answer: Stored pressure fire extinguishers are the most common type. Question: how fire extinguisher works
**Answer**
No

*Question*
This is a correct answer to the following question about Wedding of Prince William and Catherine Middleton. Yes or no? Answer: As Prince William was not the heir apparent to the throne, the wedding was not a full state occasion and many details were left to the couple to decide, such as much of the guest list of about 1,900. Question: what time will kate/will wedding start in united states
**Answer**
No

*Question*
This is a correct answer to the following question about Grimsvotn. Yes or no? Answer: Until 25 May the eruption scale had been larger than that of the 2010 eruption of Eyjafjallajokull . Question: what type of volcano is grimsvotn
**Answer**
No