If "A man and his son are sitting in the open door of a white van." does that mean that "A man and his son are sitting in the open door of a white van."?\nOptions:\n- yes\n- it is not possible to tell\n- no
Let’s work this out in a step by step way to be sure we have the right answer.
yes
The door would need to be open for the people to be sitting in it.

.

So, the answer is yes