A young child dressed in a scarf, hat, jacket, gloves, pants, and boots, outside playing in the snow.
A child plays in the snow while dressed in warm winter clothes.
A scarf, hat, jacket, gloves, pants, and boots are warm winter clothes.
A young child is a child, playing in the snow is the same as plays in the snow, and in a scarf, hat, jacket, gloves, pants, and boots means dressed in warm winter clothes.
dressed in a scarf, hat, jacket, gloves, pants, and boots can be inferred as  warm winter clothes.