In each question, the first and the last sentences of the passage are numbered S1 and S6 respectively. The rest of the passage is split into four parts. These four sentences are jumbled. Read the sentences and identify their correct and logical order.

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S1: American private lies may seem shallow.
P : Students would walk away with books they had not paid for.
Q : A Chinese journalist commented on a curious institution: the library.
R : Their public morality, however, impressed visitors.
S : But in general they returned them.
S6: This would not happen in china, he said.
The Proper sequence should be: