The following six sentences come from a paragraph. The first and the last sentences are given. Choose the order in which the four sentences (PQRS) should appear to complete the paragraph.
S1: I did not feel at all sea-sick.
S6: For I could rarely follow their remarks when they came up to speak to me.
P: I was quite unaccustomed to talking in English, and except one all the other passengers in the second saloon were English.
Q: But as the days passed, I became fidgety.
R: I could not speak to them.
S: I felt shy even in speaking to the steward.
The proper sequence should be: