"We've always had a hard time getting him to nap."
"We want you to wake him up after (an hour, two hours) so he'll go to bed on time for us int he evening"
"What's your policy on late pick-ups? Do you really enforce the late fees?" (Why are you asking this...because you plan to be late?!)
Oh...and this one tops it all...it happened to me a few weeks back upon me asking where the child in question was (he's 2 1/2 years old)...they had brought older sister (10 years old) instead:
"We were worried he would cry so much that we wouldn't be able to talk to you...he's always been at home with grandma and cries when we take him places" !!!! Ummm...you can guess why I turned them away