Easy 2 PE questions

An example of a broken safety rule is

engaging in a loud phone conversation while at the gym
starting a new basketball game while others are waiting
leaving large divots in the grass while playing golf
leaving your sweat on the equipment at the gym


Which of the following is an example of a safety rule?

Members turn off their cell phone ringers when entering the gym.
Yoga participants clean their borrowed mats at the end of each session.
Hikers walk in the middle of trails during hikes.
Runners pass other runners quietly and without speaking.