Clearly it did, given the gaps in the boy's vocabulary. Sarah Jane's eyes narrow when he held his hands out. It looks like whatever this creature is, it is approximately the size of a large cat.

Four thingies?

"Do you mean legs?" Sarah asks a moment later, tapping on one of her own as a reminder. "Four legs? Like a cat or dog?"

Oh, that would be a problem, what with being in a park and all.