Who cause Joyce Tang to fall down? Bobby Au Yeung and Koni Lui are the prime suspects

Artiste Bobby Au Yeung (歐陽震華), Joyce Tang (滕麗名), Law Lan (羅蘭) attended the press conference of Spirits on Vacation (一屋老友去旅行) and everybody helped Joyce who fell down during the conference. As Joyce and Koni Lui (呂慧儀) were rumoured for failing to get along, Joyce pointed the arrow towards Koni who pushed it to Bobby. It became an amusing scene immediately.

Bobby expressed Joyce fell down was