Given the task definition and input, reply with output. From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Given Relationship: 'open in', Sentence: 'Windermere Preparatory School opened its doors for the first time on September 5 , 2000 with an enrollment of 184 students housed in 20 portable classroom and taught by 25 outstanding faculty members .'
opened