Not sure exactly what you are asking for, but when you refuse permission, an appropriate response would be:
"I do not wish for my child to participate in today's events as I do not feel it will benefit his learning."
A good response to give permission:
"I give permission for my child to participate in today's events."
I don't understand do you have choices
Answer:
Explanation:
My only love sprung from my only hate,
Too early seen unknown, and known too late!
Prodigious birth of love is it to me
That I must love a loathed enemy. (1.5.)