Sherlock turned his head to see somebody else enter the classroom. He grinned at him (Javak) and nodded. Then the professor came in. He slowly turned his head and his eyes flashed red. A tendency he had when he wanted to show a small sign of hostility or show he was rather annoyed. But somehow he retained his smile. "Hello professor." He muttered slowly. He didn't want to seem like a teachers pet. So he flashed the teacher a tough look.