This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
An epidemiological hypothesis should specify the following except ? 
Select and explain. 
A. Population, B. Time response relationship, C. Geographical trends, D. Expected outcome
C: Geographical trends
Answer: C: Geographical trends 
Explanation: Ans. is `c' i.e., Geographical trends An epidemiological hypothesis should specify : - The population The expected outcome The time response relationship The specific cause The dose response relationship