In the question below, a premise is given, followed by three statements which may or may not be assumptions on which the passage lies. From the options below, choose the one that reflects the correct choice of assumptions that follow. In the past decade, urban air pollution levels have risen sharply, leading to increased health issues such as asthma and other respiratory diseases. Experts say that the main reason for this is the unchecked growth in the number of private vehicles. They argue that unless public transport is made more efficient and accessible, it will be difficult to control air pollution in cities. 1. Efficient public transport systems can help reduce urban air pollution. 2. People prefer private vehicles because public transport is inadequate. 3. The government should ban private vehicles to control air pollution.