Rachel's pensive attittude is forcibly broken by Hugo's fall. But any thought she had of laughing is killed by his outburst and Alya's challenge.  Hearing his tone and knowing that he was probably angry enough to try to reduce a target to its consituent atoms, she thought fast.

Rachel quickly stood and put herself between Hugo and Alya.  "[Hey, guys.  You wanna rumble, go to the training rooms.  I'm trying to eat, here,]" she said to the undead wrestler.  She turned and faced the Hugo.  "[Hey, Hugo.  Instead of blowing up the cafeteria, how about you try and invent something that can make a decent cup of coffee.  The stuff they have here is way to weak.]"