In a high school, all the boys were asked their favourite sport and the top five results were put in the table below.
\begin{array} {|l|c|}
\hline
\rule{0pt}{2.5ex} \textbf{Sport} \rule[-1ex]{0pt}{0pt} & \textbf{Number of boys} \\
\hline
\rule{0pt}{2.5ex} \text{Rugby League} \rule[-1ex]{0pt}{0pt} & \text{123} \\
\hline
\rule{0pt}{2.5ex} \text{Soccer} \rule[-1ex]{0pt}{0pt} & \text{117} \\
\hline
\rule{0pt}{2.5ex} \text{Rugby Union} \rule[-1ex]{0pt}{0pt} & \text{108} \\
\hline
\rule{0pt}{2.5ex} \text{Swimming} \rule[-1ex]{0pt}{0pt} & \text{106} \\
\hline
\rule{0pt}{2.5ex} \text{AFL} \rule[-1ex]{0pt}{0pt} & \text{100} \\
\hline
\end{array}
Which of these statements is true of a boy who goes to the high school?
- His favourite sport is less likely to be soccer than AFL.
- His favourite sport is certain to be rugby league.
- His favourite sport is more likely to be rugby union than swimming.
- It is impossible that his favourite sport is golf.