on the note of using variables to control which option menu is being shown, it could be posible to have it all in one event page, by giving each option menu a condition to a variable, heres an example of what i mean:
condition variable[1] == 0
@>Show Choices: Option1, Option2, Option3, Option4
:When [Option1]
control variable[1] = 1
:When [Option2]
control variable[1] = 2
:When [Option3]
control variable[1] = 3
:When [Option4]
control variable[1] = 4
condition variable[1] == 1
@>Show Choices: Option1, Option2, Option3, Option4
:When [Option1]
:When [Option2]
:When [Option3]
:When [Option4]
condition variable[1] == 2
@>Show Choices: Option1, Option2, Option3, Option4
etc,
i dont know if it 100% work but it very well could