Question

which of the following is true?
you only need to wear protective gear during competitions.
you should avoid exercising with a friend because he/she may slow you down.
you can swim alone if you are a really good swimmer.
you should wear a reflective vest if you exercise outside at night.

Explanation:

Wearing a reflective vest when exercising outside at night enhances visibility and safety. Protective gear should be worn during all - risk activities, not just competitions. Exercising with a friend can have many benefits and not necessarily slow one down. Swimming alone is dangerous regardless of swimming ability.

Answer:

You should wear a reflective vest if you exercise outside at night.