Gisela picked up the necklace from where she had placed it a few minutes earlier.
"This magical necklace makes it possible for me to transform" explained Gisela.
"But you're not wearing the necklace anymore" said Kevin.
"You still don't believe mermaids are real even when you're holding one" said Gisela with a smirk. "I was born a mermaid; it is my natural form. But there are different ways a mermaid can become human. In my case, when I put this necklace on I transform into a a human and remain that way until I remove the necklace."
"I'm a scientist. You're talking about magic necklaces and mermaids. It's just...it's hard to believe, even with what I've seen."
"Maybe you just need a further demonstration..."