Q: "A woman with a backpack looks at her cellphone while sitting on a short concrete wall." Does this mean that "A woman is looking at a text message."?
A: it is not possible to tell

Q: "A homeless man sleeping on grass." Does this mean that "the man is walking down the street"?
A: no

Q: "A man in dark clothing stands amongst some gear wheels." Does this mean that "The gears wheels are moving."?
A: it is not possible to tell

Q: "Woman is detained by police in front of a crowd of onlookers." Does this mean that "A young woman is being arrested for shoplifting in the mall."?
A:
it is not possible to tell