 
<translate> Ndị mmadụ na-aga nzukọ na onye na-ekwu okwu anaghị ekwu okwu mgbe nile banyere blanket ruru unyi. N'ihi ya, azịza ya bụ na ọ gaghị ekwe omume ikwu. <eng> People attending a conference with a lecturer is not always speaking about dirty blankets.
Thus, the answer is it is not possible to tell. 