Read the following premise and answer if the hypothesis is true.
British NVC community OV6 ("Cerastium glomeratum" - "Fumaria muralis" ssp. "boraei" community) is one of the open habitat communities in the British National Vegetation Classification system. It is one of six arable weed and track-side communities of light, less-fertile acid soils.
Hypothesis: It is the most popular in the British national Classification system . Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
No.