Sarah bounced into the room and took it all in. "hi professor" she said. Then she spotted Alexa and did a double take - Alexa -the girl that hated reading was here? Perhaps she was turning over a new leaf or she came to keep everyone company.
Sarah picked up a purple beanbag and moved it over to the others and puouffed done into it. "Hi guys!" she said. "hey Lexa, what brings you here to one of my favourite places in Hogwarts".
Then she spotted the food? It usually not allowed, yet now that the professor seemed okay with it, perhaps there was an exemption. She was starving.