Please choose the correct ending to complete the given sentence: Health: [header] How to relieve cancer fatigue with integrative therapy [title] Stay safe when exercising. [step] Always exercise at a level that is appropriate for your fitness and energy levels. For instance, if you are riding your bike and feel fatigued, do not continue.

Ending1: If you are exercising outdoors, always be safe in your environment. [substeps] The difficulty with exercise may be that you won't be able to enjoy it as much as you used to, and that is okay. Ending2: After a good workout, take a short break to allow your muscles to recuperate. Go for a walk or jog, for instance. Ending3: End your bike ride and relax until you feel that you have the strength to continue, or combat your cancer fatigue with exercise another day. [substeps] Drink water to stay hydrated while exercising. Ending4: This combination of exercise and physically active activities could trigger a condition called anemia. Go for a jog or run after a workout to maximize your activity level.

Answer format: ending1/ending2/ending3/ending4