Answer:
1. B. Waiting until other players are finished before retrieving wayward balls: this is the right call because is a proper behaviour. Remember that etiquette refers to a set of conventional rules about personal behaviour, it's an ethical code, how you should behave.
2. A. Etiquette: Like we said before, this is an ethical code specifically applied in the context, fair play or sportsmanship are value or specific behaviours of conventional rules.
3. A. Shouting phrases of discouragement to the opposing team: this behaviour shows a lack of ethical rules when practicing sports, it's not a sportsmanship behaviour.
4. A. Going to the gym while your are sick: this action is breaking a safety rules, but not a ethical rules, other options constitute ethical rules breaking. The reason is kinda obvious, training in the gym while you are sick increase the chances of a injury.
5. C. Runners alert others with "on your left/right" while passing: This is a safety rule for runners because it prevents a possible accident between them.
6. C. Usually optional but appreciated by members: Having the cell phone on during gym time is not unethical, because it doesn't cause any harm to anybody, but is an appreciated action by other members because the ring can distract them.
7. D. Shaking hands with opponents: This action is an ethical code in sports after the match, it's part of a fair play policy, which is also a sportsmanship rule.
