Please answer the following question by reasoning step-by-step.
Of the below sentences, which one does *not* make sense?\nOptions:\n- Sentence A: "A year after my brother turned 20, he turned 21."\n- Sentence B: "A year after my brother turned 40, he turned 21."\n

Sentence B
Every year, my brother gets one year older.

.

Therefore, the answer is Sentence B