Problem: 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.

Based on the paragraph above can we conclude that "British National Vegetation System was created 20 years ago."?

A: It's impossible to say

Problem: Callitris columellaris is a species of coniferous tree in the family Cupressaceae (cypress family), native to most of Australia. Common names include White Cypress-pine, Murray River Cypress-pine, and Northern Cypress-pine. "Callitris columellaris" has been naturalised in Hawaii and in southern Florida.

Based on the paragraph above can we conclude that "The coniferous tree family is the most common tree family in the world."?

A: It's impossible to say

Problem: Mappings is a first book of poems by Vikram Seth originally published by the Writers Workshop, Calcutta (now Kolkata), as a hand-set, hand-printed and hand-bound volume ("in Hardback or Flexiback") in 1980 or 1981 (the Flexiback edition copyright date is 1981). With the growth of Seth's reputation, the volume has been reprinted by mainstream publishers (ISBN ).

Based on the paragraph above can we conclude that "Mappings is a popular book of poems."?

A:
It's impossible to say