Experts point out that the suicide behavior of the elderly during aging is mainly caused by "lossing", such as lossing health, lossing partners, lossing child care, lossing financial capacity, etc. Therefore, relevant persons pointed out that society, families should care the elderly, and the community should also provide the necessary services, such as long-term care services, psychological counselling services, legal help, etc. The relevant crisis intervention organizations must cooperate and work together to reduce the elderly's probability of suicide. Based on the above information, which of the following statement is correct. ['Old people commit suicide mainly because they are aging and unhealthy.', 'The elderly have such a high probability of suicide that the relevant crisis intervention organizations must take responsibility.', 'Family, children, communities, crisis intervention organizations, and other sectors of society should care about the lives of the elderly.', 'As long as the community has provided appropriate nursing and counselling services, the suicide probability of the elderly must be reduced.']