Q: "A green tinted hand is being held up in front of a table of people." Does this mean that "Someone not holing anything."?
A: no

Q: "A girl in a tan dress getting ready to step onto the sidewalk, as she finishes crossing the street." Does this mean that "she is crossing to get to her favorite store in the city"?
A: it is not possible to tell

Q: "A man guides a little roofed boat through teal blue waters." Does this mean that "A man pilots a little boat."?
A: yes

Q: "A man in a costume parades in front of a small crowd." Does this mean that "A man parades with people outside."?
A:
it is not possible to tell