 <translate> Knives are used for cutting and would cut gums and tissue.
So, the answer is Sentence B. <yor> Wọ́n máa ń fi ọ̀bẹ gé nǹkan, wọ́n sì máa ń fi gé ìfun àti ara. Nítorí náà, ìdáhùn náà ni Ẹsẹ̀ B. 