Given the sentence "A crowd of people in knit hats standing near a van." is it true that "A crowd of people in knit hats are standing near a blue van."?
Let’s work this out in a step by step way to be sure we have the right answer.
it is not possible to tell
A crowd of people in knit hats standing near a van does not mean that they are standing near a blue van.

.

Therefore, the answer is it is not possible to tell