Make the sentence grammatical: Different types of policies had been introduced to improve the welfare of the elderly so that they are able to benefit from it.
The elderly are not only a burden on the elderly, but also a burden on the elderly.
The elderly are not only a burden on the elderly, but also a burden on the elderly.
The elderly are not only a burden on the elderly, but also a burden on the elderly.
The elderly are not only a burden on the elderly, but also a burden on the elderly.
The elderly are not only a burden on the elderly, but also a burden on the elderly.
The government has introduced a new policy to improve the welfare of the elderly.
The government has introduced a new policy to improve the welfare of the elderly.
The government has introduced a new policy to improve the welfare of the elderly.
The government has introduced a new policy to improve the welfare of the elderly.
The government has introduced a new policy to improve the welfare of the elderly.
The government has introduced a new policy to improve the welfare of the elderly.
The government has introduced