"Cô ấy có thể phân biệt cờ Ba Lan và cờ Indonesia."
Translation:She can distinguish between the Polish flag and the Indonesian flag.
I said "Polish flag AND Indonesian flag", even though I think the meaning is the same, it would have been nice to accept both answers.
Also--it rejects "distinguish the Polish flag from the Indonesian flag", another answer that should be accepted as correct.
Third go round--'the flag of Poland from the flag of Indonesia' also marked WRONG. Geez,