A woman wearing a blue dress is drawing a picture of a boy and a girl on the sidewalk with sidewalk chalk .
We doubt that a woman in a blue dress is drawing a caricature of a boy and girl on the sidewalk .
It is likely that a woman in a blue dress is drawing a caricature of a boy and girl on the sidewalk .
We doubt that a woman in a blue dress is drawing a caricature of a boy and girl on the sidewalk .
A woman in a blue dress is drawing a caricature of a boy and girl on the sidewalk .