Clara's just reaching for her sword, pulling it out of her pocket when she finally hears the yo. Turning her head, the red becomes visible just as the small sword turns into a large one in her hand.

"Oh, hi. And yeah, just doing my part to help with keeping everyone fed." She has no clue how to use the sword, but it seemed like a good idea to have. And the fact that it shrinks down for her to store it, well, that's perfect.