please help me with this question that I got wrong.... These answers are wrong....

Which of the following measures below can be obtained from a cohort study? Odds ratio. Relative risk. Both odds ratio and relative risk. Neither odds ratio nor relative risk. A. Moving to another question will save this response. Factor A, B, or C can each individually cause a certain disease without the other two factors. Factor C is: Sufficient, but not necessary, cause. Both necessary and sufficient cause. Necessary, but not sufficient, cause. Nelther sufficient, nr necessary, cause. Moving to another question will save this response