Jack Jack was not dense. He could see that this girl was a loner. Being ever polite he walked up to her. He smiled and pointed down at the bench next to her. He looked at her. "Ugh hello?" He then noticed the earmuffs. Well most people had weird mutations. Maybe hers had something to do with sound? Whatever the reason Jack decided to try sign language. He had learned it a few years ago. It was a hobby. Learning languages. "Hello. My name is Jack." He signed to her. "What is your name?" He asked.