英语脑筋急转弯：萨拉有几个孩子？

Question
问题

Sara has four daughters, and each of her daughters has a brother. How many children does Sara have?
萨拉有四个女儿，每个女儿都有一个兄弟。萨拉有几个孩子？

Answer
答案

Five, each daughter has the same brother.
五个，每个女儿都有同一个兄弟。