CodePudding user response:

123 known americans, russians, germans are BDF, British, French, Italian belong to ACE, 4 shows the germans are D, 56 it is concluded that the French are not AC, so it is E, americans are not B, so it is F, thus russians is B, British, Italian belongs to AC, the 5 shows that italians are A, British is C
The italians A
The russians B
The British C
The germans D
The French E
Americans F