 
<translate> Kawai saboda malamin wasan tseren kankara yana magana da rukuni na ƙananan skiers ba yana nufin malamin ya yi tseren kankara fiye da shekaru 10 ba. Saboda haka, amsar ita ce ba zai yiwu a faɗi ba. <eng> Just because a ski instructor was addressing a group of small skiers it does not mean the instructor has skied for more than 10 years.
Thus, the answer is it is not possible to tell. 