The fact that it biodegrades doesn't matter because it's different from their natural ecosystem.' 'These balls biodegrade in a matter of days. This time he will pick each one up afterwards, he said. 'It was never my intention to mess with our environment throughout my journey. Moving forward I am fully committed to taking all the right precautions to protect our earth and leave it in a better place than before,' he wrote alongside the apology video.
the word left is mentioned in the video.
( z0 mention :ARG0 ( z1 video ) :ARG1 ( z2 word :ARG1-of ( z3 left ) ) )
(z0 / mention-01
    :ARG0 (z1 / video)
    :ARG1 (z2 / word
              :ARG1-of (z3 / left-20)))
the word left is mentioned in the video .
z2 :ARG1-of z3
z0 :ARG1 z2
z0 :ARG0 z1