Im a competitor. Want a surprise? Two major parts of it, anyway. Two major parts of it, anyway. I mean, tip your hat to him.
Would you know if something is being hidden (without your knowing) from you?
( z0 know :ARG0 ( z1 you ) :ARG1 ( z2 truth-value :polarity-of ( z3 hide :ARG1 ( z4 something ) :ARG1-of ( z5 know :ARG0 z1 :polarity - ) :ARG2 z1 ) ) :polarity ( z6 amr-unknown ) )
(z0 / know-01
    :ARG0 (z1 / you)
    :ARG1 (z2 / truth-value
              :polarity-of (z3 / hide-01
                               :ARG1 (z4 / something)
                               :ARG1-of (z5 / know-01
                                            :ARG0 z1
                                            :polarity -)
                               :ARG2 z1))
    :polarity (z6 / amr-unknown))
Would you know if something is being hidden ( without your knowing ) from you ?
z0 :ARG0 z1
z0 :ARG1 z2
z3 :ARG1 z4
z2 :polarity-of z3
z3 :ARG2 z1
z5 :polarity 0
z3 :ARG1-of z5
z5 :ARG0 z1
z0 :polarity z6