Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.

Question: Is multivitamin-mineral supplementation as efficacious as is iron supplementation in improving hemoglobin concentrations in nonpregnant anemic women living in Mexico?
Answer: MM supplements may not be as efficacious as is iron alone in improving the hemoglobin status of anemic women.
no

Question: Does thickness of CAD-CAM composite resin overlay influences fatigue resistance of endodontically treated premolars?
Answer: Thick FiltekMZ100 composite resin onlays showed higher fatigue resistance than thin ones and may be associated with fractures that are less subgingival.
yes

Question: Are homocysteine and C-reactive protein markers of cognitive impairment in patients with major cardiovascular disease?
Answer: PreCI and POCD are present in a substantial proportion of patients undergoing CABG surgery but there is no independent association with either baseline homocysteine or CRP levels. It is possible that cognitive impairment may result from the vascular disease rather than a direct association with either homocysteine or CRP.

no