Please choose the correct ending to complete the given sentence: Work World: [header] How to become highly motivated for your job [title] Vary your tasks throughout the day. [step] People tend to lose motivation on the job out of sheer boredom. The brain functions best when it is subjected to stimulation and differentiated activity.

Ending1: Try to organize your day so that you're working on different tasks or projects for a few hours at a time. This will help keep you engaged and break the monotony of your routine. Ending2: Rather than focusing on completing a task at the end of the day, the same holds true for saying yes all the time. [substeps] Pick a task that you'll get enthusiastic about. Ending3: Eliminate any distractions that may interfere with the brain activity taking place in-person. [substeps] Take steps to make yourself more active and stimulate your brain. Ending4: Therefore, setting precise work deadlines can minimize the likelihood of burnout or overdoing it. [substeps] Set fixed deadlines to reflect your motivation and get it done faster and efficiently.

Answer format: ending1/ending2/ending3/ending4