337735
Other faculty who are not on the tenure track in the US are generally classified as Lecturers ( or Senior Lecturers ) , who often teach full-time and/or have some administrative duties , but have no research obligations .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None