Some guidance said a single case shouldn't lead to a shut down; other guidance suggested closing down the school for two to five days. A general view of the U.S. Centers for Disease Control and Prevention (CDC) headquarters in Atlanta, Georgia, on September 30, 2014. Don't shut down if it's just one case. If you get a letter, act now. Don't screen them.
It would be unwise to say that a single case explicitly tells others that there is zero.
( z0 wise :domain ( z1 say :ARG1 ( z2 tell :ARG0 ( z3 case :ARG1-of ( z4 single ) ) :ARG1 ( z5 zero ) :ARG1-of ( z6 explicit ) :ARG2 ( z7 case :quant z5 :mod ( z8 other ) ) ) ) :polarity - )
(z0 / wise
    :domain (z1 / say-01
                :ARG1 (z2 / tell-01
                          :ARG0 (z3 / case-03
                                    :ARG1-of (z4 / single-02))
                          :ARG1 (z5 / zero)
                          :ARG1-of (z6 / explicit-03)
                          :ARG2 (z7 / case-04
                                    :quant z5
                                    :mod (z8 / other))))
    :polarity -)
It would be unwise to say that a single case explicitly tells others that there is zero .
z0 :polarity 0
z0 :domain z1
z3 :ARG1-of z4
z2 :ARG1-of z6
z2 :ARG2 z7
z2 :ARG0 z3
z1 :ARG1 z2
z7 :mod z8
z2 :ARG1 z5
z7 :quant z5