Oh, r--really? Well, um... as far as I can tell, there's only one here... but if they all look the same, there could be more than one and I haven't noticed...

[ she gives a sheepish little laugh and scratches her cheek, before perking up a little bit at the mention of an oneechan. She knows perfectly well that isn't always to be taken literally, but... ]

Do you think your big sister might be here too? Was she in Equestria with you?