Problem: The Copenhagen Consensus Center is a US non-profit think tank, founded and headed by Bjrn Lomborg. The Center organizes the Copenhagen Consensus, a conference of prominent economists held every four years, where potential solutions to global issues are examined and prioritized using cost-benefit analysis.

Based on the paragraph above can we conclude that "Economists from every continent attend the Copenhagen Consensus."?

A: It's impossible to say

Problem: Mars Audiac Quintet is the third album by the band Stereolab, released in August 1994. Initial releases of the CD came with bonus two-track disk, the double vinyl album came with a 7". During the recording of the album, guitarist Sean O'Hagan left as a full-time member to form his own group, while keyboardist Katharine Gifford was added.

Based on the paragraph above can we conclude that "Sean O'Hagan wasn't the only guitarist during recording of the Mars Audiac Quintet."?

A: Yes

Problem: Justin Smith (born 9 August 1977 in Narromine, New South Wales) is an Australian former rugby league footballer. A utility player, Smith played for the St. George Illawarra Dragons, South Sydney Rabbitohs and the North Queensland Cowboys in the National Rugby League (NRL).

Based on the paragraph above can we conclude that "Justin Smith was paid less than his other team members"?

A:
It's impossible to say