Fix the grammatical mistakes: This technological invention can also be extended to monitor how the elderly interacts with other devices such as a television, DVD player or a washing machine.
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The third one is correct. The second one is incorrect.
The first one is correct. The second one is incorrect.
The first one is correct. The second one is incorrect.
The first one is correct. The second one is incorrect.
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The computer is a device that can be used to monitor the health of the elderly.
Correct: The computer is a device that can be used to monitor the health of the elderly.
The computer is a device that can be used to monitor the health of the elderly.
The computer is a device that can be used to monitor the health of the elderly.
The computer is a device that can be used to monitor the health of the elderly.
The computer is a device that can be