[주어진 문장] For that reason, the team stopped treating the number of reports as the number of independent observations.
A student team collected seven online posts about a blocked walkway. ① At first, the repeated claim seemed persuasive. ② The links, however, led back to one photograph taken before repairs. ③ The team checked a recent notice and contacted the facility office. ④ Those sources indicated that the walkway was open with one narrow section. ⑤ The students updated their summary and identified the older photograph as the common source.