 
<translate> Masu hawan ba dole ba ne su zama masu hawan jirgin ruwa. Za su iya zama bas ko bike ko babura mahaya ko wani irin mahaya. Amsar ita ce: ba za mu iya sanin ba. <eng> The riders don't have to be boat riders. They could be bus or bike or motorcycle riders or any other kind of riders.
The answer: it is not possible to tell. 