A woman in a blue jacket dragging a child on a sled through the snow.
There is a child on a sled.
Dragging a child on a sled means there is a child on a sled.
Dragging a child on a sled indicates that there is a child.
Sleds are in the snow, a child is on it - a child on a sled. Who is pulling the sled and what it is being pulled are irrelevant.