A baby being held by a small girl , swimming underwater in a blue pool .
It is highly likely that a small girl is teaching a baby how to swim underwater in a blue pool .
It is highly likely that a small girl is teaching a baby how to swim underwater in a blue pool .
It is improbable that a small girl is teaching a baby how to swim underwater in a blue pool .
A small girl is teaching a baby how to swim underwater in a blue pool .