(Oops I just realise I've accidentally skipped the Orcs part and gone straight to the trolls part...my bad...my brain isn't really working properly sorry :L)
"We're supposed to be looking after the ponies." Kili began, swallowing the lump that had begun to form in his throat as he started worrying what Thorin would do if they didn't get this under control.
"Only, we've encountered a small problem." Fili murmured as neither of the twins tore their gaze away from the remaining ponies.

"We had sixteen, now there's fourteen..." Kili finished slowly. Neither of them seemed particularly interested in the food.