Fix grammatical errors in this sentence: This is because the older generation has contributed to the workforce during their younger days.
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The third sentence is correct. The third sentence is incorrect.
The second sentence is correct. The third sentence is incorrect.
The first sentence is correct. The second sentence is incorrect.
The third sentence is incorrect. The second sentence is correct.
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The first sentence is correct.
The second sentence is incorrect. The second sentence is correct.
The third sentence is incorrect. The third sentence is correct.
The third sentence is incorrect. The fourth sentence is correct.
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The fifth sentence is correct. The sixth sentence is incorrect.
The sixth sentence is incorrect. The seventh sentence is incorrect.
The seventh sentence is correct. The eighth sentence is incorrect.
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