Stella the beaver loves to draw stars. She has devised a system for labeling her stars according to their shape. She uses two numbers:
海狸斯特拉喜欢画星星。她设计了一套根据星星形状给它们编号的系统。她使用两个数字：
- A number of dots for the star.给这颗星星画上一些点。
- A number indicating if a line from a dot is drawn to the nearest dot (the number is 1), the second closest dot (the number is 2), etc.一个数字，表示从一个点到最近的点（数字为 1）、第二近的点（数字为 2）等所画的线。
Here are four examples of Stella's labeling system:
以下是斯特拉标签系统的四个示例：
Question: 问题:
How would Stella label the following star?
斯特拉会如何给下面这颗星命名？
A. 9:3
B. 9:4
C. 10:4
D. 10:5
Explanation 解释
The correct answer is:10 : 4
正确答案是：10 : 4
The star has 10 dots and it is possible to draw a line to the fourth nearest dot.
这颗星有 10 个点，可以画一条线连到第四个最近的点。
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