The sign on the grass mens"Keep off the grass".(改为一般疑问句,画线部分提问：keep off the grass)

题目

The sign on the grass mens"Keep off the grass".(改为一般疑问句,画线部分提问：keep off the grass)

答案

这是初一上学期语法知识.
一般疑问句：Does the sigh on the grass mean "keep off the grass"?
提问：What does the sigh on the grass mean ?