I am just putting A + B = C here. Thats a good thing. Slamming the old boy network, Yahoo! Its just tough. Its completely his decision with no support whatsoever from ownership in making that decision.
The matter is that there is no tie-assigned capability to take on the job.
( z0 capable :ARG1-of ( z1 assign :ARG2 ( z2 tie ) ) :ARG2 ( z3 take-on :ARG1 ( z4 job ) ) :polarity - )
(z0 / capable-01
    :ARG1-of (z1 / assign-01
                 :ARG2 (z2 / tie))
    :ARG2 (z3 / take-on-09
              :ARG1 (z4 / job))
    :polarity -)
The matter is that there is no tie - assigned capability to take on the job .
z1 :ARG2 z2
z0 :ARG1-of z1
z0 :polarity 0
z0 :ARG2 z3
z3 :ARG1 z4