Please choose the correct ending to complete the given sentence: Work World: [header] How to criticize a colleague's work [title] Examine your motivation. [step] Only provide feedback if you are truly trying to help your coworker and improve your work product. If you are criticizing because you do not like the person, are frustrated, or are stressed, keep your criticisms to yourself.

Ending1: [substeps] Instead of telling your colleague that she is an easy worker, try to decide if you really want to complain about her. Criticizing your boss may seem like an easy job, but it's still a project you have to do. Ending2: If you are not criticizing someone for the right reasons, try talking to a friend or family member so you can vent. [substeps] Feedback should only be given for a specific purpose not just for the sake of doing it. Ending3: Although criticizing can be difficult, studies have shown that emotional handling can lead to bigger problems. [substeps] Do not punish the person for not meeting deadline deadlines or being really unsatisfied with the work. Ending4: So, however you can help your coworker improve his or her work, you need to own the motivation. Analyse your own work and the feedback that follows after to get a sense of what your motivation is.

Answer format: ending1/ending2/ending3/ending4