Q: "Black children are holding illegible signs." Does this mean that "The signs are legible"?
A: no

Q: "A group of children carrying poles and swords." Does this mean that "A group of older men are carrying poles and swords."?
A: no

Q: "A young girl wearing a yellow shirt swings on a tree rope." Does this mean that "Nobody has a shirt."?
A: no

Q: "A city worker places a street cone device which is verified by his colleague." Does this mean that "lady city worker places the cone device."?
A:
it is not possible to tell