You will have two answer choices.
It is positively sloped and reflects the fact that lower salaries would entice some athletes to avoid playing hockey.
It is negatively sloped and reflects the fact that there are few substitute industries for hockey players.
It is positively sloped and reflects the fact that higher salaries would lead to more Europeans entering America to play professional hockey.
It has a vertical slope and reflects the fact that changes in salaries do not impact the quantity of players supplied.
It has a negative slope.
It is positively sloped - higher salaries lead to more people wanting to play professional hockey!