He frowned. He wasn't aware of any April's here, but he couldn't presume to know every single person on this island - some did like their privacy, after all. He'd check the contacts later though, keeping in mind the possibility that she was newly arrived and hadn't had the chance to find a phone before finding herself here. That provided him his next question, though.
The girl's use of them did not escape his attention, but he did not bring that up immediately. Instead, he answered her question and posed his own. "Why does anyone experiment? To learn something. How long have you been here - on the island?"