How to organize a surprise birthday celebration picture revealing party<br>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.
A revealing party is  sometimes a surprise birthday celebration.
( z1 party :ARG0-of ( z2 reveal ) :domain ( z3 celebrate :ARG1 ( z4 birthday ) :ARG0-of ( z5 surprise ) :frequency ( z6 sometimes ) ) )