Task: Sentence Expansion
Input (English): A doctoral advisor ( or dissertation director or dissertation advisor ) is a university faculty member whose helps guide graduate students who are candidates for a doctorate degree .
Output (English): A doctoral advisor ( also dissertation director or dissertation advisor ) is a member of a university faculty whose role is to guide graduate students who are candidates for a doctorate , helping them select coursework , as well as shaping , refining and directing the students ' choice of sub-discipline in which they will be examined or on which they will write a dissertation .