The young men got up at 5 in the morning, read a prayer, and by six o'clock in the morning had to be in the classroom.

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Did the young men get up at 5 in the morning, read a prayer, and have to be in the classroom by six o'clock?

What did the young men do in the morning before coming to the classroom at six o'clock?

The young men got up at 5 in the morning, read a prayer, and had to be in the classroom by six o'clock, didn't he?