 <translate> Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: Rotor is a component of a helicopter. Rotor helps the helicopter to lift straight up. Rotor creates noise and moves a lot of air.
 The question and answer: <yor> Níwọ̀n bó ti jẹ́ pé ohun tó wà lọ́kàn ẹ ló ń darí rẹ, béèrè ìbéèrè tó bọ́gbọ́n mu kó o sì dáhùn. Ohun tó fà á: Ẹrọ rotor jẹ́ apá kan helikópítà. Ó máa ń jẹ́ kí ọkọ̀ òfuurufú náà lè lọ sókè. Ẹrọ rotor máa ń dá ariwo sílẹ̀, ó sì máa ń gbé ọ̀pọ̀lọpọ̀ afẹ́fẹ́ jáde.  Ìbéèrè àti ìdáhùn: 