Original sentence: Note: The episode was in memory of David Pearson, a young man who was diagnosed with brain cancer and was scheduled to make an appearance at the dinner service as the guest of honor, but who passed away on May 11, 2012
Edited sentence: Special note: The episode was in memory of David Pearson, a young man who was diagnosed with brain cancer and was scheduled to make an appearance at the dinner service as the "guest of honor", but unfortunately passed away on May 11, 2012