S₁: The wise men laughed at Galileo for presuming to differ from the great Aristotle.

S₆: But Galileo said he could prove his statement.

P: He then climbed to the top, carrying with him a ten-pound shot and a one-pound shot.

Q: So one morning he took some students and teachers to the base of the famous Leaning Tower.

R: Balancing them on the edge of the tower, he let them fall together.

S: Both struck the ground together, as he had asserted that they would.

The proper sequence should be

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