She lets out a sound - it sounds somewhere midway between a huff and a sigh - that seems to indicate that no, he indeed not the only person who decided to test that. If Alice would get money for every single time she witnessed someone trying it out...

"Funnily enough the last person I witnessed trying to do the same was wearing the same colour as you." Wow, this sure must be saying something about the red team, huh. Maybe that's why Alice is wearing a purple hoodie herself. It's a sign that she has more than two active braincells, she figures.

"But he too ended up stepping on the train before it left."

With some nudging on Alice's part, but still.