The man is standing in front of a crowd doesn't say he is saluting  or that army personell are there


Context: A smiling man in a blue jacket and black vest stands in front of a crowd of marchers near a red tent with green trees in the background.
Hypothesis: The man in the blue jacket is saluting the army personell as they march by in the parade.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?