Answer:
Thirty men and ladies two, gathered for a festive do; Dressed quite formal, black and white; soon movement turned to nasty fight.
What goes up when the rain comes down?
What word is a plural, but when you add an "S" to the end, it becomes singular?
Being able to interpret the letters on this screen proves that you have this quality.
What goes in the water red, and comes out black?
What is lighter than what it is made of?