Probability, SM-Bank 015 MC

In a high school, all the boys were asked their favourite sport and the top five results were put in the table below.

Which of these statements is true of a boy who goes to the high school?

1. His favourite sport is less likely to be soccer than AFL.
2. His favourite sport is certain to be rugby league.
3. His favourite sport is more likely to be rugby union than swimming.
4. It is impossible that his favourite sport is golf.