Investigators in Venezuela have been combing the grisly wreck of a Colombian plane which crashed on Tuesday, killing all 160 people on board.
Survivors of the crash are calling for a thorough investigation.
There were no survivors.
( z1 call :ARG0 ( z2 person :ARG0-of ( z3 survive :ARG1 ( z4 crash ) ) ) :ARG1 ( z5 investigate :mod ( z6 thorough ) ) )