to the passage below and then answer the question afterwards in the same language as the passage: Passage: On June 18, 1975, NBC launched the NBC News and Information Service (NIS), which provided up to 55 minutes of news per hour around the clock to local stations that wanted to adopt an all-news radio format. NBC gbé iṣẹ náà lọ́wọ́ lórí WRC ní Washington, àti lórí àwọn ilé iṣẹ́ FM tí wọ́n ní àti tí wọ́n ń ṣiṣẹ́ ní New York City, Chicago àti San Francisco. NIS fa ọ̀pọ̀lọpọ̀ àwọn ilé iṣẹ́ tí wọ́n ń ṣe oníforúkọsílẹ̀, ṣùgbọ́n nígbà tí ọdún 1976 ń parí lọ, NBC pinnu pé òun kò lè sọ pé iṣẹ́ náà yóò di èrè, ó sì fún àwọn ẹ̀ka rẹ̀ ní ìkìlọ̀ oṣù mẹ́fà pé òun yóò dáwọ́ dúró. NIS parí iṣẹ́ rẹ̀ ní May 29, 1977.
June 18, ọdún 1975