`S_(1)` : During college, Pamela Johnson had the opportunity to work with a famus anthropologist.
`S_(6)` : She earned a doctorate and today holds a key government position.
P : When her son was three, she undertook the four-year hard work of post-graduate studies.
Q : But then she married, has a baby and becomes a full-time mother.
R : None the less, Pamela never lsot sight of her desire to study an assists tribal people.
S : She enjoyed the experience and decided to major in Anthropology.
The proper squence should be