| 1 | This is not a university seminar. | |
| 2 | At another seminar, she talked to the person next to her. | |
| 3 | I had enrolled in the seminar out of sheer curiosity. | |
| 4 | The old professor had presided over a seminar for theoretical physicists. | |
| 5 | In this conversation, some business people are meeting at a seminar. |
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