Two men are walking on the street in front of a subway stop , and one has his umbrella opened and at his side .
It is almost certain that there are people walking by a subway station , and one man is carrying an opened umbrella .
It is almost certain that there are people walking by a subway station , and one man is carrying an opened umbrella .
It is impossible that there are people walking by a subway station , and one man is carrying an opened umbrella .
There are people walking by a subway station , and one man is carrying an opened umbrella .