Three different people , all wearing light colored tops and dark pants , are taking pictures with their cameras .
There is a very good chance that there are three people taking pictures of an airplane that is about to land .
It is impossible that there are three people taking pictures of an airplane that is about to land .
There is a very good chance that there are three people taking pictures of an airplane that is about to land .
There are three people taking pictures of an airplane that is about to land .