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 sat at the table and ate.
S6 : I was just the normal Ramaswamy, husband of Madeleine.
P : My breathing became suddenly difficult.
Q : I concentrated on my food and I was convinced I had to eat.
R : I stopped, however; any exhibition of the extraordinary.
S : But lungs have a temperament.
The proper sequence should be: