Even the overall target referred to in the November 12 statement was put in doubt just eight days later-this is how permanent these commitments are-when the Prime Minister implied to Premiers Tobin and Klein that in his misguided desire to look better than the Americans on this issue, perhaps a new target should be adopted by lowering GHG emissions to 1990 levels by the year 2007.
The overall target was impossible to achieve
( z1 possible :polarity - :ARG1 ( z2 achieve :ARG1 ( z3 thing :ARG1-of ( z4 target ) :mod ( z5 overall ) ) ) )