Which of the following sentences is the example of negative imperative?

Mom said to me, “Don’t waste your time to do useless thing!” The correct indirect speech form of the sentence above is….

“Don’t make noise, children!”, she said. In other words we can say…..

My father said,“Don’t waste your money on cigarettes.” This means….

Mr. Rudolph said to the kids, “Don’t play too deep into the forest!” What is the correct indirect speech from the sentence above?

The zookeeper told the visitors, “Don’t feed the monkeys!” What is the correct indirect speech from the sentence above?