BEBRAS 2021 Grade 9-10 Round 2 Ext Question 2

Question 2

A fairy-tale play has two acts separated by a scene-change break. The figure shows every actor entering and leaving in order. White arrows mean entering; dark arrows mean leaving. Nhà vua=King, Công chúa=Princess, Rồng lửa=Dragon, Hoàng tử=Prince; the rows run from the start of each act to scene change/end.

Question illustration

Which statement is certainly false?

The Prince and Princess are on stage together at some time.
The King and Dragon are on stage together at some time.
The Prince first enters after the scene change.
The Prince and Dragon are on stage together at some time.