What does the author try to achieve in the article? 1. Describe the benefits of organised travel. 2. Compare various tour providers. 3. Persuade the reader to choose tours. 4. Warn the readers against travelling alone.

What does the author try to achieve in the article? 1.  Describe the benefits of organised travel. 2.  Compare various tour providers. 3.  Persuade the reader to choose tours. 4.  Warn the readers against travelling alone.