Panda is jealous of Masaki apprenticeship with Mr. Tree Kangaroo and is determined to find his own Master.  Sasako and Hanada are unexpectedly thrown in the neighborhood sports day.
That would mean anyone...
Eso quiere decir "quien sea".
Eso quiere decir "cualquiera".
C’est donc à peu près
 n’importe qui.
Então pode ser qualquer um...