Read this passage about junk food and advertising. Which two sentences together give the best description of the passage?

Experts in children’s health say that junk food companies spend billions of dollars on ads for kids. These experts say that the only way to prevent kids from eating large amounts of unhealthy food is to strengthen laws that control advertisers. Some countries have already taken steps to protect children from such advertisements. For example, Sweden does not allow fast-food companies to make ads for children under 12.

1. Experts say that stricter laws are needed to stop junk food ads aimed at kids and prevent kids from eating too much junk food.

2. Many governments find it hard to control advertising and are writing stricter laws to control such advertisements.

3. Some countries, such as Sweden, have now made laws to control ads aimed at children.
4. The advertisements aimed at kids have always been strictly controlled by governments.