Original sentence: 40 senators are up for re-election: 20 from the Coalition, 14 from Labor, 2 Australian Greens and 4 Australian Democrats.The Australian Greens have run on the slogan that 'Only Labor can win Government, but only the Greens can save the Senate'
Edited sentence: 40 senators are not up for re-election: 20 from the Coalition, 14 from Labor, 2 Australian Greens and 4 Australian Democrats.The Australian Greens have run on the slogan that 'Only Labor can win Government, but only the Greens can save the Senate', which, given the Greens recent 13% poll showing for the Senate appears to be true