 
<translate> Ọ bụghị ndị nile na-aga ọrụ bụ ndị ọrụ ibe. Naanị n'ihi na ị nọ ọdụ n'ụgbọala ọ pụtaghị na ị na-eche na nkịtị. Ọ bụghị mmadụ nile na-eji ịnyịnya aga ọrụ. N'ihi ya, azịza ya bụ na ọ gaghị ekwe omume ikwu. <eng> Not all commuters are coworkers. Just because you are sitting on a train it does not imply you are waiting in silence. Not all commuters are riding to work.
Therefore, the answer is it is not possible to tell. 