There was also a wide generation gap. This poll is based on a nationally representative probability sample of 1,875 general population adults age 18 or older. The sample included 1,075 registered voters with a margin of error of +/-3.6 percentage points. It has a margin of error of plus or minus 2.25 percentage points. The margin of sampling error is 2.8 percentage points at the 95% confidence level, for results based on the entire sample of adults.
the agent is aged 18 or more.
( z0 age :ARG1 ( z1 agent ) :ARG2 ( z2 at-least :op ( z3 temporal-quantity :quant 18 :unit ( z4 year ) ) ) )
(z0 / age-01
    :ARG1 (z1 / agent)
    :ARG2 (z2 / at-least
              :op1 (z3 / temporal-quantity
                       :quant 18
                       :unit (z4 / year))))
the agent is aged 18 or more .
z0 :ARG1 z1
z3 :unit z4
z3 :quant 0
z2 :op1 z3
z0 :ARG2 z2