This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to organize a surprise birthday celebration picture revealing party
Determine a date, time and place for the picture revealing party.
Ask your honoree and party organizers to reserve the date. The ideal timing might be a week or two after the birthday celebration.

Available options: + Make sure you schedule the party prior to your 21st birthday so it's unexpected and easy for your honoree to find. Choose activities that make the party memorable and enjoyable. + The honoree is likely to be very busy because of his or her work schedule. That being said, schedule the date and time all on the day the party is held. + Consider doing this prank as soon as possible to reduce distractions with time constraints. Let the honoree be involved in any logistics so they don't forget to invite other honoree. + Design and print invitations to the picture revealing party. Distribute the invitations as guests are leaving the birthday celebration.
The answer is:
Design and print invitations to the picture revealing party. Distribute the invitations as guests are leaving the birthday celebration.