Two young girls with sponge bats being to play while an older girl is acting as the referee .
It is highly unlikely that one older girl is a referee , watching two young girls plays with bats .
It is probably the case that one older girl is a referee , watching two young girls plays with bats .
It is highly unlikely that one older girl is a referee , watching two young girls plays with bats .
One older girl is a referee , watching two young girls plays with bats .