Property owners who own no more than two single-family homes would be exempt from the law. Developers and landlords, unable to charge market rates for their properties, are less likely to build new housing and more likely to convert existing rental units into for-sale housing, the argument goes. Economists generally oppose rent control for the depressing effects it can have on the supply of new rental units. That would, in turn, tend to make long-run affordability problems worse. Four states  Arizona, Montana, New Jersey and South Dakota  will consider the legalization of marijuana.
There are exactly four states mentioned.
( z0 mention :ARG1 ( z1 state :quant ( z2 exact :op 4 ) ) )
(z0 / mention-01
    :ARG1 (z1 / state
              :quant (z2 / exact
                         :op1 4)))
There are exactly four states mentioned .
z2 :op1 0
z1 :quant z2
z0 :ARG1 z1