 <translate> Give stream of consciousness and then the final answer. The average of seven numbers is 9. The average of first three numbers is 7 and the average of last three numbers is 11. What is the middle number?
Options:
(A) 7
(B) 8
(C) 9
(D) 11
(E) 10 <yor> Fún un ní ìmọ́lẹ̀, kó o sì wá fún un ní ìdáhùn tó ṣe pàtó. Ìpíndọ́gba iye méje jẹ́ 9. Ìpíndọ́gba àwọn nọ́ńbà mẹ́ta àkọ́kọ́ jẹ́ 7 àti ìpíndọ́gba àwọn nọ́ńbà mẹ́ta tó kẹ́yìn jẹ́ 11. Kí ni nọ́ńbà tó wà láàárín? Àwọn àyè: (A) 7 (B) 8 (C) 9 (D) 11 (E) 10 