It is not clear what caused the derailment The military deployed troops, engineers and helicopters to assist. Ian Lee joins "CBSN AM" from London with these and other top headlines from around the world. AdvertisementTrain accidents are common in Pakistan, where successive governments have paid little attention to improving the poorly maintained signal system and aging tracks. ___
the error for the mishit is not that clear
( z0 clear :ARG1 ( z1 error :ARG0-of ( z2 cause :ARG1 ( z3 mishit ) ) ) :degree ( z4 that ) :polarity - )
(z0 / clear-06
    :ARG1 (z1 / error
              :ARG0-of (z2 / cause-01
                           :ARG1 (z3 / mishit)))
    :degree (z4 / that)
    :polarity -)
the error for the mishit is not that clear
z1 :ARG0-of z2
z2 :ARG1 z3
z0 :degree z4
z0 :polarity 0
z0 :ARG1 z1