Both A/B and C/D are bad.
The first two nouns (A and B) are the same word, and the second two (C and D) are also the same word.
2
あの会社のサービスはひどいんだ、社員も社員なら会社も会社だ。
That company's service is terrible. Both the employees and the company.
0
こんな時間まで外で遊んでいるなんて、子供が子供なら親も親だよ。
To stay out playing until such (a late) time, it's bad for children and adults.
Getting the sentences
Construction
(Elements in parentheses are optional.)
Basic Examples:
子供が子供なら親も親だ (both the child and their parents are bad.)
Where this grammar is found
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