Return to the original purpose
Start with the aim written in the event brief. If the goal was to introduce sumo culture, ask what participants understood or became curious about. If it was guided participation, ask whether the instructions and participation choices were clear. Avoid treating attendance or enthusiastic photographs as proof of broader team improvement. A useful review measures the experience that was actually planned, making its conclusions easier to discuss with colleagues and the supplier.
Ask a few specific questions
Invite attendees to comment on preparation information, communication, cultural explanation and the suitability of the format. Include a question about what felt unclear or could have been better arranged. Ask observers as well as active participants, since they may have experienced the programme differently. Keep the feedback short enough to complete while the event is fresh. You do not need a long questionnaire to discover that arrival directions or clothing instructions deserved more attention.
Review the session and the travel arrangements
Review the session itself alongside transport, assembly, changing and departure arrangements, identifying who was responsible for each part. This helps prevent an unrelated transfer delay from becoming an inaccurate judgment about the instruction, or a good activity from masking an avoidable coordination problem. Share relevant feedback with the organiser and retain a brief record for future planning. Record confirmed facts and participant observations separately from your interpretation, so the next event team has something concrete to learn from.