China vs Vietnam
How to tell the two flags apart, and how often the live's players mix them up.
Flag of China
A red field with one large yellow five-pointed star and four smaller stars in an arc beside it, in the upper hoist.
How to tell them apart
Both are red with yellow stars. China has one large star and four small ones in the corner; Vietnam a single large star in the centre.
Mixed up on the live
When China was shown18 wrong answers said Vietnam67%
When Vietnam was shown80 wrong answers said China75%
Share of each flag's wrong answers in flag rounds.