Those familiar with Only Connect will know how this works. but a quick explanation will not go amiss.
You will see four phrases, one at a time. The first is here, the second is here, the third is here, and the last one is below. You have to work out the connection between the four phrases. Obviously, the more that you see, the easier it should be.
The fourth one is:
Warning on a Golf Course
Answer at 9.00 on Monday